Creates the ipclist utility that chrome security team has wanted to dump...

chrome/common/render_messages.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_COMMON_RENDER_MESSAGES_H_
-#define CHROME_COMMON_RENDER_MESSAGES_H_
-#pragma once
-
+// Multiply-included file, no traditional include guard
+#include <map>
+#include <set>
 #include <string>
 #include <vector>
 
 // TODO(erg): This list has been temporarily annotated by erg while doing work
 // on which headers to pull out.
+
 #include "base/basictypes.h"
+#include "base/file_path.h"
+#include "base/nullable_string16.h"
+#include "base/platform_file.h"
 #include "base/ref_counted.h"
 #include "base/string16.h"
+#include "base/sync_socket.h"
+#include "base/values.h"
+#include "build/build_config.h"
 #include "chrome/common/common_param_traits.h"
+#include "chrome/common/content_settings.h"
 #include "chrome/common/css_colors.h"
+#include "chrome/common/edit_command.h"
+#include "chrome/common/extensions/extension.h"
+#include "chrome/common/extensions/extension_extent.h"
+#include "chrome/common/extensions/url_pattern.h"
+#include "chrome/common/geoposition.h"
+#include "chrome/common/gpu_param_traits.h"
+#include "chrome/common/nacl_types.h"
+#include "chrome/common/notification_type.h"
 #include "chrome/common/page_transition_types.h"
+#include "chrome/common/page_zoom.h"
+#include "chrome/common/render_messages_params.h"
+#include "chrome/common/thumbnail_score.h"
+#include "chrome/common/translate_errors.h"
 #include "chrome/common/translate_errors.h"
 #include "chrome/common/view_types.h"
+#include "chrome/common/web_apps.h"
 #include "chrome/common/webkit_param_traits.h"
+#include "chrome/common/window_container_type.h"
 #include "content/common/common_param_traits.h"
+#include "content/common/resource_response.h"
+#include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_message_utils.h"
 #include "ipc/ipc_platform_file.h"                     // ifdefed typedef.
+#include "media/audio/audio_buffers_state.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositionUnderline.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebFindOptions.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebMediaPlayerAction.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebScreenInfo.h"
+#include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/clipboard/clipboard.h"                   // enum
+#include "ui/gfx/rect.h"
 #include "webkit/appcache/appcache_interfaces.h"  // enum appcache::Status
+#include "webkit/blob/blob_data.h"
+#include "webkit/glue/context_menu.h"
+#include "webkit/glue/webaccessibility.h"
+#include "webkit/glue/webcookie.h"
+#include "webkit/glue/webcursor.h"
+#include "webkit/glue/webdropdata.h"
+#include "webkit/glue/webmenuitem.h"
+#include "webkit/plugins/npapi/webplugin.h"
+#include "webkit/plugins/npapi/webplugininfo.h"
+
+#if defined(OS_POSIX)
+#include "base/file_descriptor_posix.h"
+#endif
+
+#if defined(OS_MACOSX)
+#include "chrome/common/font_descriptor_mac.h"
+#endif
+
+#define IPC_MESSAGE_START ViewMsgStart
+
+// Singly-included section, not yet converted.
+#ifndef CHROME_COMMON_RENDER_MESSAGES_H_
+#define CHROME_COMMON_RENDER_MESSAGES_H_
 
 #if defined(OS_MACOSX)

[jam, 2011/03/09 06:33:45]

nit: can take out all the forward declarations in this file

 struct FontDescriptor;
 #endif
 
 namespace appcache {
 struct AppCacheInfo;
 struct AppCacheResourceInfo;
 }
 
 namespace base {
 class Time;
@@ skipping 419 matching lines @@
 template <>
 struct ParamTraits<AudioBuffersState> {
   typedef AudioBuffersState param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, void** iter, param_type* p);
   static void Log(const param_type& p, std::string* l);
 };
 
 }  // namespace IPC
 
-#include "chrome/common/render_messages_internal.h"
+// TODO(mpcomplete): rename ViewMsg and ViewHostMsg to something that makes
+// more sense with our current design.
+
+// IPC_MESSAGE macros choke on extra , in the std::map, when expanding. We need
+// to typedef it to avoid that.
+// Substitution map for l10n messages.
+typedef std::map<std::string, std::string> SubstitutionMap;
+
+class Value;
+class SkBitmap;
+class WebCursor;
+struct GPUInfo;
+struct ThumbnailScore;
+
+namespace gfx {
+class Rect;
+}
+
+namespace IPC {
+struct ChannelHandle;
+class Message;
+}
+
+namespace webkit_blob {
+class BlobData;
+}
+
+namespace file_util {
+struct FileInfo;
+}
+
 
 #endif  // CHROME_COMMON_RENDER_MESSAGES_H_
+
+
+//-----------------------------------------------------------------------------
+// RenderView messages
+// These are messages sent from the browser to the renderer process.
+
+// Used typically when recovering from a crash.  The new rendering process
+// sets its global "next page id" counter to the given value.
+IPC_MESSAGE_CONTROL1(ViewMsg_SetNextPageID,
+                     int32 /* next_page_id */)
+
+// Sends System Colors corresponding to a set of CSS color keywords
+// down the pipe.
+// This message must be sent to the renderer immediately on launch
+// before creating any new views.
+// The message can also be sent during a renderer's lifetime if system colors
+// are updated.
+// TODO(jeremy): Possibly change IPC format once we have this all hooked up.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetCSSColors,
+                    std::vector<CSSColors::CSSColorMapping>)
+
+// Asks the browser for a unique routing ID.
+IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GenerateRoutingID,
+                            int /* routing_id */)
+
+// Tells the renderer to create a new view.
+// This message is slightly different, the view it takes (via
+// ViewMsg_New_Params) is the view to create, the message itself is sent as a
+// non-view control message.
+IPC_MESSAGE_CONTROL1(ViewMsg_New,
+                     ViewMsg_New_Params)
+
+// Tells the renderer to set its maximum cache size to the supplied value.
+IPC_MESSAGE_CONTROL3(ViewMsg_SetCacheCapacities,
+                     size_t /* min_dead_capacity */,
+                     size_t /* max_dead_capacity */,
+                     size_t /* capacity */)
+
+// Tells the renderer to clear the cache.
+IPC_MESSAGE_CONTROL0(ViewMsg_ClearCache)
+
+// Reply in response to ViewHostMsg_ShowView or ViewHostMsg_ShowWidget.
+// similar to the new command, but used when the renderer created a view
+// first, and we need to update it.
+IPC_MESSAGE_ROUTED1(ViewMsg_CreatingNew_ACK,
+                    gfx::NativeViewId /* parent_hwnd */)
+
+// Sends updated preferences to the renderer.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetRendererPrefs,
+                    RendererPreferences)
+
+// Tells the renderer to perform the given action on the media player
+// located at the given point.
+IPC_MESSAGE_ROUTED2(ViewMsg_MediaPlayerActionAt,
+                    gfx::Point, /* location */
+                    WebKit::WebMediaPlayerAction)
+
+IPC_MESSAGE_ROUTED0(ViewMsg_PrintNodeUnderContextMenu)
+
+// Tells the renderer to print the print preview tab's PDF plugin without
+// showing the print dialog.
+IPC_MESSAGE_ROUTED1(ViewMsg_PrintForPrintPreview,
+                    DictionaryValue /* settings*/)
+
+// Tells the render view to close.
+IPC_MESSAGE_ROUTED0(ViewMsg_Close)
+
+// Tells the render view to change its size.  A ViewHostMsg_PaintRect message
+// is generated in response provided new_size is not empty and not equal to
+// the view's current size.  The generated ViewHostMsg_PaintRect message will
+// have the IS_RESIZE_ACK flag set. It also receives the resizer rect so that
+// we don't have to fetch it every time WebKit asks for it.
+IPC_MESSAGE_ROUTED2(ViewMsg_Resize,
+                    gfx::Size /* new_size */,
+                    gfx::Rect /* resizer_rect */)
+
+// Sent to inform the view that it was hidden.  This allows it to reduce its
+// resource utilization.
+IPC_MESSAGE_ROUTED0(ViewMsg_WasHidden)
+
+// Tells the render view that it is no longer hidden (see WasHidden), and the
+// render view is expected to respond with a full repaint if needs_repainting
+// is true.  In that case, the generated ViewHostMsg_PaintRect message will
+// have the IS_RESTORE_ACK flag set.  If needs_repainting is false, then this
+// message does not trigger a message in response.
+IPC_MESSAGE_ROUTED1(ViewMsg_WasRestored,
+                    bool /* needs_repainting */)
+
+// Tells the render view to capture a thumbnail image of the page. The
+// render view responds with a ViewHostMsg_Thumbnail.
+IPC_MESSAGE_ROUTED0(ViewMsg_CaptureThumbnail)
+
+// Tells the render view to capture a thumbnail image of the page. The
+// render view responds with a ViewHostMsg_Snapshot.
+IPC_MESSAGE_ROUTED0(ViewMsg_CaptureSnapshot)
+
+// Tells the render view to switch the CSS to print media type, renders every
+// requested pages and switch back the CSS to display media type.
+IPC_MESSAGE_ROUTED0(ViewMsg_PrintPages)
+
+// Tells the render view that printing is done so it can clean up.
+IPC_MESSAGE_ROUTED2(ViewMsg_PrintingDone,
+                    int /* document_cookie */,
+                    bool /* success */)
+
+// Tells the render view to switch the CSS to print media type, renders every
+// requested pages for print preview.
+IPC_MESSAGE_ROUTED0(ViewMsg_PrintPreview)
+
+// Sends back to the browser the rendered "printed document" for preview that
+// was requested by a ViewMsg_PrintPreview message. The memory handle in this
+// message is already valid in the browser process.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_PagesReadyForPreview,
+                    ViewHostMsg_DidPreviewDocument_Params /* params */)
+
+// Tells the renderer to dump as much memory as it can, perhaps because we
+// have memory pressure or the renderer is (or will be) paged out.  This
+// should only result in purging objects we can recalculate, e.g. caches or
+// JS garbage, not in purging irreplaceable objects.
+IPC_MESSAGE_CONTROL0(ViewMsg_PurgeMemory)
+
+// Sent to render the view into the supplied transport DIB, resize
+// the web widget to match the |page_size|, scale it by the
+// appropriate scale to make it fit the |desired_size|, and return
+// it.  In response to this message, the host generates a
+// ViewHostMsg_PaintAtSize_ACK message.  Note that the DIB *must* be
+// the right size to receive an RGBA image at the |desired_size|.
+// |tag| is sent along with ViewHostMsg_PaintAtSize_ACK unmodified to
+// identify the PaintAtSize message the ACK belongs to.
+IPC_MESSAGE_ROUTED4(ViewMsg_PaintAtSize,
+                    TransportDIB::Handle /* dib_handle */,
+                    int /* tag */,
+                    gfx::Size /* page_size */,
+                    gfx::Size /* desired_size */)
+
+// Tells the render view that a ViewHostMsg_UpdateRect message was processed.
+// This signals the render view that it can send another UpdateRect message.
+IPC_MESSAGE_ROUTED0(ViewMsg_UpdateRect_ACK)
+
+// Message payload includes:
+// 1. A blob that should be cast to WebInputEvent
+// 2. An optional boolean value indicating if a RawKeyDown event is associated
+//    to a keyboard shortcut of the browser.
+IPC_MESSAGE_ROUTED0(ViewMsg_HandleInputEvent)
+
+// This message notifies the renderer that the next key event is bound to one
+// or more pre-defined edit commands. If the next key event is not handled
+// by webkit, the specified edit commands shall be executed against current
+// focused frame.
+// Parameters
+// * edit_commands (see chrome/common/edit_command_types.h)
+//   Contains one or more edit commands.
+// See third_party/WebKit/Source/WebCore/editing/EditorCommand.cpp for detailed
+// definition of webkit edit commands.
+//
+// This message must be sent just before sending a key event.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetEditCommandsForNextKeyEvent,
+                    std::vector<EditCommand> /* edit_commands */)
+
+// Message payload is the name/value of a WebCore edit command to execute.
+IPC_MESSAGE_ROUTED2(ViewMsg_ExecuteEditCommand,
+                    std::string, /* name */
+                    std::string /* value */)
+
+IPC_MESSAGE_ROUTED0(ViewMsg_MouseCaptureLost)
+
+// TODO(darin): figure out how this meshes with RestoreFocus
+IPC_MESSAGE_ROUTED1(ViewMsg_SetFocus, bool /* enable */)
+
+// Tells the renderer to focus the first (last if reverse is true) focusable
+// node.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetInitialFocus, bool /* reverse */)
+
+// Tells the renderer to scroll the currently focused node into view only if
+// the currently focused node is a Text node (textfield, text area or content
+// editable divs).
+IPC_MESSAGE_ROUTED0(ViewMsg_ScrollFocusedEditableNodeIntoView)
+
+// Tells the renderer to perform the specified navigation, interrupting any
+// existing navigation.
+IPC_MESSAGE_ROUTED1(ViewMsg_Navigate, ViewMsg_Navigate_Params)
+
+IPC_MESSAGE_ROUTED0(ViewMsg_Stop)
+
+// Tells the renderer to reload the current focused frame
+IPC_MESSAGE_ROUTED0(ViewMsg_ReloadFrame)
+
+// This message notifies the renderer that the user has closed the FindInPage
+// window (and what action to take regarding the selection).
+IPC_MESSAGE_ROUTED1(ViewMsg_StopFinding,
+                    ViewMsg_StopFinding_Params /* action */)
+
+// These messages are typically generated from context menus and request the
+// renderer to apply the specified operation to the current selection.
+IPC_MESSAGE_ROUTED0(ViewMsg_Undo)
+IPC_MESSAGE_ROUTED0(ViewMsg_Redo)
+IPC_MESSAGE_ROUTED0(ViewMsg_Cut)
+IPC_MESSAGE_ROUTED0(ViewMsg_Copy)
+#if defined(OS_MACOSX)
+IPC_MESSAGE_ROUTED0(ViewMsg_CopyToFindPboard)
+#endif
+IPC_MESSAGE_ROUTED0(ViewMsg_Paste)
+// Replaces the selected region or a word around the cursor with the
+// specified string.
+IPC_MESSAGE_ROUTED1(ViewMsg_Replace, string16)
+IPC_MESSAGE_ROUTED0(ViewMsg_ToggleSpellCheck)
+IPC_MESSAGE_ROUTED0(ViewMsg_Delete)
+IPC_MESSAGE_ROUTED0(ViewMsg_SelectAll)
+IPC_MESSAGE_ROUTED1(ViewMsg_ToggleSpellPanel, bool)
+IPC_MESSAGE_ROUTED3(ViewMsg_SpellChecker_RespondTextCheck,
+                    int        /* request identifier given by WebKit */,
+                    int        /* document tag */,
+                    std::vector<WebKit::WebTextCheckingResult>)
+
+// This message tells the renderer to advance to the next misspelling. It is
+// sent when the user clicks the "Find Next" button on the spelling panel.
+IPC_MESSAGE_ROUTED0(ViewMsg_AdvanceToNextMisspelling)
+
+// Copies the image at location x, y to the clipboard (if there indeed is an
+// image at that location).
+IPC_MESSAGE_ROUTED2(ViewMsg_CopyImageAt,
+                    int /* x */,
+                    int /* y */)
+
+// History system notification that the visited link database has been
+// replaced. It has one SharedMemoryHandle argument consisting of the table
+// handle. This handle is valid in the context of the renderer
+IPC_MESSAGE_CONTROL1(ViewMsg_VisitedLink_NewTable, base::SharedMemoryHandle)
+
+// History system notification that a link has been added and the link
+// coloring state for the given hash must be re-calculated.
+IPC_MESSAGE_CONTROL1(ViewMsg_VisitedLink_Add, std::vector<uint64>)
+
+// History system notification that one or more history items have been
+// deleted, which at this point means that all link coloring state must be
+// re-calculated.
+IPC_MESSAGE_CONTROL0(ViewMsg_VisitedLink_Reset)
+
+// Notification that the user scripts have been updated. It has one
+// SharedMemoryHandle argument consisting of the pickled script data. This
+// handle is valid in the context of the renderer.
+IPC_MESSAGE_CONTROL1(ViewMsg_UserScripts_UpdatedScripts,
+                     base::SharedMemoryHandle)
+
+// Sent when the user wants to search for a word on the page (find in page).
+IPC_MESSAGE_ROUTED3(ViewMsg_Find,
+                    int /* request_id */,
+                    string16 /* search_text */,
+                    WebKit::WebFindOptions)
+
+// Send from the renderer to the browser to return the script running result.
+IPC_MESSAGE_ROUTED2(ViewMsg_ExecuteCodeFinished,
+                    int, /* request id */
+                    bool /* whether the script ran successfully */)
+
+// Sent when user prompting is required before a ViewHostMsg_GetCookies
+// message can complete.  This message indicates that the renderer should
+// pump messages while waiting for cookies.
+IPC_MESSAGE_CONTROL0(ViewMsg_SignalCookiePromptEvent)
+
+// Request for the renderer to evaluate an xpath to a frame and execute a
+// javascript: url in that frame's context. The message is completely
+// asynchronous and no corresponding response message is sent back.
+//
+// frame_xpath contains the modified xpath notation to identify an inner
+// subframe (starting from the root frame). It is a concatenation of
+// number of smaller xpaths delimited by '\n'. Each chunk in the string can
+// be evaluated to a frame in its parent-frame's context.
+//
+// Example: /html/body/iframe/\n/html/body/div/iframe/\n/frameset/frame[0]
+// can be broken into 3 xpaths
+// /html/body/iframe evaluates to an iframe within the root frame
+// /html/body/div/iframe evaluates to an iframe within the level-1 iframe
+// /frameset/frame[0] evaluates to first frame within the level-2 iframe
+//
+// jscript_url is the string containing the javascript: url to be executed
+// in the target frame's context. The string should start with "javascript:"
+// and continue with a valid JS text.
+//
+// If the fourth parameter is true the result is sent back to the renderer
+// using the message ViewHostMsg_ScriptEvalResponse.
+// ViewHostMsg_ScriptEvalResponse is passed the ID parameter so that the
+// client can uniquely identify the request.
+IPC_MESSAGE_ROUTED4(ViewMsg_ScriptEvalRequest,
+                    string16,  /* frame_xpath */
+                    string16,  /* jscript_url */
+                    int,  /* ID */
+                    bool  /* If true, result is sent back. */)
+
+// Request for the renderer to evaluate an xpath to a frame and insert css
+// into that frame's document. See ViewMsg_ScriptEvalRequest for details on
+// allowed xpath expressions.
+IPC_MESSAGE_ROUTED3(ViewMsg_CSSInsertRequest,
+                    std::wstring,  /* frame_xpath */
+                    std::string,  /* css string */
+                    std::string  /* element id */)
+
+// Log a message to the console of the target frame
+IPC_MESSAGE_ROUTED3(ViewMsg_AddMessageToConsole,
+                    string16 /* frame_xpath */,
+                    string16 /* message */,
+                    WebKit::WebConsoleMessage::Level /* message_level */)
+
+// RenderViewHostDelegate::RenderViewCreated method sends this message to a
+// new renderer to notify it that it will host developer tools UI and should
+// set up all neccessary bindings and create DevToolsClient instance that
+// will handle communication with inspected page DevToolsAgent.
+IPC_MESSAGE_ROUTED0(ViewMsg_SetupDevToolsClient)
+
+// Change the zoom level for the current main frame.  If the level actually
+// changes, a ViewHostMsg_DidZoomURL message will be sent back to the browser
+// telling it what url got zoomed and what its current zoom level is.
+IPC_MESSAGE_ROUTED1(ViewMsg_Zoom,
+                    PageZoom::Function /* function */)
+
+// Set the zoom level for the current main frame.  If the level actually
+// changes, a ViewHostMsg_DidZoomURL message will be sent back to the browser
+// telling it what url got zoomed and what its current zoom level is.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetZoomLevel,
+                    double /* zoom_level */)
+
+// Set the zoom level for a particular url that the renderer is in the
+// process of loading.  This will be stored, to be used if the load commits
+// and ignored otherwise.
+IPC_MESSAGE_ROUTED2(ViewMsg_SetZoomLevelForLoadingURL,
+                    GURL /* url */,
+                    double /* zoom_level */)
+
+// Set the zoom level for a particular url, so all render views
+// displaying this url can update their zoom levels to match.
+IPC_MESSAGE_CONTROL2(ViewMsg_SetZoomLevelForCurrentURL,
+                     GURL /* url */,
+                     double /* zoom_level */)
+
+// Set the content settings for a particular url that the renderer is in the
+// process of loading.  This will be stored, to be used if the load commits
+// and ignored otherwise.
+IPC_MESSAGE_ROUTED2(ViewMsg_SetContentSettingsForLoadingURL,
+                    GURL /* url */,
+                    ContentSettings /* content_settings */)
+
+// Set the content settings for a particular url, so all render views
+// displaying this host url update their content settings to match.
+IPC_MESSAGE_CONTROL2(ViewMsg_SetContentSettingsForCurrentURL,
+                     GURL /* url */,
+                     ContentSettings /* content_settings */)
+
+// Change encoding of page in the renderer.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetPageEncoding,
+                    std::string /*new encoding name*/)
+
+// Reset encoding of page in the renderer back to default.
+IPC_MESSAGE_ROUTED0(ViewMsg_ResetPageEncodingToDefault)
+
+// Requests the renderer to reserve a range of page ids.
+IPC_MESSAGE_ROUTED1(ViewMsg_ReservePageIDRange,
+                    int  /* size_of_range */)
+
+// D&d drop target messages.
+IPC_MESSAGE_ROUTED4(ViewMsg_DragTargetDragEnter,
+                    WebDropData /* drop_data */,
+                    gfx::Point /* client_pt */,
+                    gfx::Point /* screen_pt */,
+                    WebKit::WebDragOperationsMask /* ops_allowed */)
+IPC_MESSAGE_ROUTED3(ViewMsg_DragTargetDragOver,
+                    gfx::Point /* client_pt */,
+                    gfx::Point /* screen_pt */,
+                    WebKit::WebDragOperationsMask /* ops_allowed */)
+IPC_MESSAGE_ROUTED0(ViewMsg_DragTargetDragLeave)
+IPC_MESSAGE_ROUTED2(ViewMsg_DragTargetDrop,
+                    gfx::Point /* client_pt */,
+                    gfx::Point /* screen_pt */)
+
+// Notifies the renderer of updates in mouse position of an in-progress
+// drag.  if |ended| is true, then the user has ended the drag operation.
+IPC_MESSAGE_ROUTED4(ViewMsg_DragSourceEndedOrMoved,
+                    gfx::Point /* client_pt */,
+                    gfx::Point /* screen_pt */,
+                    bool /* ended */,
+                    WebKit::WebDragOperation /* drag_operation */)
+
+// Notifies the renderer that the system DoDragDrop call has ended.
+IPC_MESSAGE_ROUTED0(ViewMsg_DragSourceSystemDragEnded)
+
+// Used to tell a render view whether it should expose various bindings
+// that allow JS content extended privileges.  See BindingsPolicy for valid
+// flag values.
+IPC_MESSAGE_ROUTED1(ViewMsg_AllowBindings,
+                    int /* enabled_bindings_flags */)
+
+// Tell the renderer to add a property to the WebUI binding object.  This
+// only works if we allowed WebUI bindings.
+IPC_MESSAGE_ROUTED2(ViewMsg_SetWebUIProperty,
+                    std::string /* property_name */,
+                    std::string /* property_value_json */)
+
+// This message starts/stop monitoring the input method status of the focused
+// edit control of a renderer process.
+// Parameters
+// * is_active (bool)
+//   Indicates if an input method is active in the browser process.
+//   The possible actions when a renderer process receives this message are
+//   listed below:
+//     Value Action
+//     true  Start sending IPC message ViewHostMsg_ImeUpdateTextInputState
+//           to notify the input method status of the focused edit control.
+//     false Stop sending IPC message ViewHostMsg_ImeUpdateTextInputState.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetInputMethodActive,
+                    bool /* is_active */)
+
+// This message sends a string being composed with an input method.
+IPC_MESSAGE_ROUTED4(
+    ViewMsg_ImeSetComposition,
+    string16, /* text */
+    std::vector<WebKit::WebCompositionUnderline>, /* underlines */
+    int, /* selectiont_start */
+    int /* selection_end */)
+
+// This message confirms an ongoing composition.
+IPC_MESSAGE_ROUTED1(ViewMsg_ImeConfirmComposition,
+                    string16 /* text */)
+
+// This passes a set of webkit preferences down to the renderer.
+IPC_MESSAGE_ROUTED1(ViewMsg_UpdateWebPreferences, WebPreferences)
+
+// Used to notify the render-view that the browser has received a reply for
+// the Find operation and is interested in receiving the next one. This is
+// used to prevent the renderer from spamming the browser process with
+// results.
+IPC_MESSAGE_ROUTED0(ViewMsg_FindReplyACK)
+
+// Used to notify the render-view that we have received a target URL. Used
+// to prevent target URLs spamming the browser.
+IPC_MESSAGE_ROUTED0(ViewMsg_UpdateTargetURL_ACK)
+
+// Sets the alternate error page URL (link doctor) for the renderer process.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetAltErrorPageURL, GURL)
+
+// Install the first missing pluign.
+IPC_MESSAGE_ROUTED0(ViewMsg_InstallMissingPlugin)
+
+// Tells the renderer to empty its plugin list cache, optional reloading
+// pages containing plugins.
+IPC_MESSAGE_CONTROL1(ViewMsg_PurgePluginListCache,
+                     bool /* reload_pages */)
+
+// Tells the render view to load all blocked plugins.
+IPC_MESSAGE_ROUTED0(ViewMsg_LoadBlockedPlugins)
+
+// Tells the render view a prerendered page is about to be displayed.
+IPC_MESSAGE_ROUTED0(ViewMsg_DisplayPrerenderedPage)
+
+IPC_MESSAGE_ROUTED1(ViewMsg_RunFileChooserResponse,
+                    std::vector<FilePath> /* selected files */)
+
+// Used to instruct the RenderView to go into "view source" mode.
+IPC_MESSAGE_ROUTED0(ViewMsg_EnableViewSourceMode)
+
+// Get all savable resource links from current webpage, include main
+// frame and sub-frame.
+IPC_MESSAGE_ROUTED1(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
+                    GURL /* url of page which is needed to save */)
+
+// Get html data by serializing all frames of current page with lists
+// which contain all resource links that have local copy.
+IPC_MESSAGE_ROUTED3(ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
+                    std::vector<GURL> /* urls that have local copy */,
+                    std::vector<FilePath> /* paths of local copy */,
+                    FilePath /* local directory path */)
+
+// Requests application info for the page. The renderer responds back with
+// ViewHostMsg_DidGetApplicationInfo.
+IPC_MESSAGE_ROUTED1(ViewMsg_GetApplicationInfo, int32 /*page_id*/)
+
+// Requests the renderer to download the specified favicon image encode it as
+// PNG and send the PNG data back ala ViewHostMsg_DidDownloadFavIcon.
+IPC_MESSAGE_ROUTED3(ViewMsg_DownloadFavIcon,
+                    int /* identifier for the request */,
+                    GURL /* URL of the image */,
+                    int /* Size of the image. Normally 0, but set if you have
+                           a preferred image size to request, such as when
+                           downloading the favicon */)
+
+// When a renderer sends a ViewHostMsg_Focus to the browser process,
+// the browser has the option of sending a ViewMsg_CantFocus back to
+// the renderer.
+IPC_MESSAGE_ROUTED0(ViewMsg_CantFocus)
+
+// Instructs the renderer to invoke the frame's shouldClose method, which
+// runs the onbeforeunload event handler.  Expects the result to be returned
+// via ViewHostMsg_ShouldClose.
+IPC_MESSAGE_ROUTED0(ViewMsg_ShouldClose)
+
+// Instructs the renderer to close the current page, including running the
+// onunload event handler. See the struct in render_messages.h for more.
+//
+// Expects a ClosePage_ACK message when finished, where the parameters are
+// echoed back.
+IPC_MESSAGE_ROUTED1(ViewMsg_ClosePage,
+                    ViewMsg_ClosePage_Params)
+
+// Asks the renderer to send back stats on the WebCore cache broken down by
+// resource types.
+IPC_MESSAGE_CONTROL0(ViewMsg_GetCacheResourceStats)
+
+// Asks the renderer to send back Histograms.
+IPC_MESSAGE_CONTROL1(ViewMsg_GetRendererHistograms,
+                     int /* sequence number of Renderer Histograms. */)
+
+#if defined(USE_TCMALLOC)
+// Asks the renderer to send back tcmalloc stats.
+IPC_MESSAGE_CONTROL0(ViewMsg_GetRendererTcmalloc)
+#endif
+
+// Asks the renderer to send back V8 heap stats.
+IPC_MESSAGE_CONTROL0(ViewMsg_GetV8HeapStats)
+
+// Notifies the renderer about ui theme changes
+IPC_MESSAGE_ROUTED0(ViewMsg_ThemeChanged)
+
+// Notifies the renderer that a paint is to be generated for the rectangle
+// passed in.
+IPC_MESSAGE_ROUTED1(ViewMsg_Repaint,
+                    gfx::Size /* The view size to be repainted */)
+
+// Posts a message to the renderer.
+IPC_MESSAGE_ROUTED3(ViewMsg_HandleMessageFromExternalHost,
+                    std::string /* The message */,
+                    std::string /* The origin */,
+                    std::string /* The target*/)
+
+// Sent to the renderer when a popup window should no longer count against
+// the current popup count (either because it's not a popup or because it was
+// a generated by a user action or because a constrained popup got turned
+// into a full window).
+IPC_MESSAGE_ROUTED0(ViewMsg_DisassociateFromPopupCount)
+
+// The browser sends this to a renderer process in response to a
+// GpuHostMsg_EstablishGpuChannel message.
+IPC_MESSAGE_CONTROL3(ViewMsg_GpuChannelEstablished,
+                     IPC::ChannelHandle /* handle to channel */,
+                     base::ProcessHandle /* renderer_process_for_gpu */,
+                     GPUInfo /* stats about GPU process*/)
+
+// Notifies the renderer of the appcache that has been selected for a
+// a particular host. This is sent in reply to AppCacheMsg_SelectCache.
+IPC_MESSAGE_CONTROL2(AppCacheMsg_CacheSelected,
+                     int /* host_id */,
+                     appcache::AppCacheInfo)
+
+// Notifies the renderer of an AppCache status change.
+IPC_MESSAGE_CONTROL2(AppCacheMsg_StatusChanged,
+                     std::vector<int> /* host_ids */,
+                     appcache::Status)
+
+// Notifies the renderer of an AppCache event other than the
+// progress event which has a seperate message.
+IPC_MESSAGE_CONTROL2(AppCacheMsg_EventRaised,
+                     std::vector<int> /* host_ids */,
+                     appcache::EventID)
+
+// Notifies the renderer of an AppCache progress event.
+IPC_MESSAGE_CONTROL4(AppCacheMsg_ProgressEventRaised,
+                     std::vector<int> /* host_ids */,
+                     GURL /* url being processed */,
+                     int /* total */,
+                     int /* complete */)
+
+// Notifies the renderer of an AppCache error event.
+IPC_MESSAGE_CONTROL2(AppCacheMsg_ErrorEventRaised,
+                     std::vector<int> /* host_ids */,
+                     std::string /* error_message */)
+
+// Notifies the renderer of an AppCache logging message.
+IPC_MESSAGE_CONTROL3(AppCacheMsg_LogMessage,
+                     int /* host_id */,
+                     int /* log_level */,
+                     std::string /* message */)
+
+// Notifies the renderer of the fact that AppCache access was blocked.
+IPC_MESSAGE_CONTROL2(AppCacheMsg_ContentBlocked,
+                     int /* host_id */,
+                     GURL /* manifest_url */)
+
+// Sent by the Browser process to alert a window about whether a it should
+// allow a scripted window.close(). The renderer assumes every new window is a
+// blocked popup until notified otherwise.
+IPC_MESSAGE_ROUTED1(ViewMsg_AllowScriptToClose,
+                    bool /* script_can_close */)
+
+// Sent by AudioRendererHost to renderer to request an audio packet.
+IPC_MESSAGE_ROUTED2(ViewMsg_RequestAudioPacket,
+                    int /* stream id */,
+                    AudioBuffersState)
+
+// Tell the renderer process that the audio stream has been created, renderer
+// process would be given a ShareMemoryHandle that it should write to from
+// then on.
+IPC_MESSAGE_ROUTED3(ViewMsg_NotifyAudioStreamCreated,
+                    int /* stream id */,
+                    base::SharedMemoryHandle /* handle */,
+                    uint32 /* length */)
+
+// Tell the renderer process that a low latency audio stream has been created,
+// renderer process would be given a SyncSocket that it should write to from
+// then on.
+#if defined(OS_WIN)
+IPC_MESSAGE_ROUTED4(ViewMsg_NotifyLowLatencyAudioStreamCreated,
+                    int /* stream id */,
+                    base::SharedMemoryHandle /* handle */,
+                    base::SyncSocket::Handle /* socket handle */,
+                    uint32 /* length */)
+#else
+IPC_MESSAGE_ROUTED4(ViewMsg_NotifyLowLatencyAudioStreamCreated,
+                    int /* stream id */,
+                    base::SharedMemoryHandle /* handle */,
+                    base::FileDescriptor /* socket handle */,
+                    uint32 /* length */)
+#endif
+
+// Notification message sent from AudioRendererHost to renderer for state
+// update after the renderer has requested a Create/Start/Close.
+IPC_MESSAGE_ROUTED2(ViewMsg_NotifyAudioStreamStateChanged,
+                    int /* stream id */,
+                    ViewMsg_AudioStreamState_Params /* new state */)
+
+IPC_MESSAGE_ROUTED2(ViewMsg_NotifyAudioStreamVolume,
+                    int /* stream id */,
+                    double /* volume */)
+
+// Notification that a move or resize renderer's containing window has
+// started.
+IPC_MESSAGE_ROUTED0(ViewMsg_MoveOrResizeStarted)
+
+// The browser sends this message in response to all extension api calls.
+IPC_MESSAGE_ROUTED4(ViewMsg_ExtensionResponse,
+                    int /* request_id */,
+                    bool /* success */,
+                    std::string /* response */,
+                    std::string /* error */)
+
+// This message is optionally routed.  If used as a control message, it
+// will call a javascript function in every registered context in the
+// target process.  If routed, it will be restricted to the contexts that
+// are part of the target RenderView.
+// If |extension_id| is non-empty, the function will be invoked only in
+// contexts owned by the extension. |args| is a list of primitive Value types
+// that are passed to the function.
+IPC_MESSAGE_ROUTED4(ViewMsg_ExtensionMessageInvoke,
+                    std::string /* extension_id */,
+                    std::string /* function_name */,
+                    ListValue /* args */,
+                    GURL /* event URL */)
+
+// Tell the renderer process all known extension function names.
+IPC_MESSAGE_CONTROL1(ViewMsg_Extension_SetFunctionNames,
+                     std::vector<std::string>)
+
+// TODO(aa): SetAPIPermissions, SetHostPermissions, and possibly
+// UpdatePageActions should be replaced with just sending additional data in
+// ExtensionLoaded. See: crbug.com/70516.
+
+// Tell the renderer process which permissions the given extension has. See
+// Extension::Permissions for which elements correspond to which permissions.
+IPC_MESSAGE_CONTROL2(ViewMsg_Extension_SetAPIPermissions,
+                     std::string /* extension_id */,
+                     std::set<std::string> /* permissions */)
+
+// Tell the renderer process which host permissions the given extension has.
+IPC_MESSAGE_CONTROL2(
+    ViewMsg_Extension_SetHostPermissions,
+    GURL /* source extension's origin */,
+    std::vector<URLPattern> /* URLPatterns the extension can access */)
+
+// Tell the renderer process all known page action ids for a particular
+// extension.
+IPC_MESSAGE_CONTROL2(ViewMsg_Extension_UpdatePageActions,
+                     std::string /* extension_id */,
+                     std::vector<std::string> /* page_action_ids */)
+
+// Notifies the renderer that an extension was loaded in the browser.
+IPC_MESSAGE_CONTROL1(ViewMsg_ExtensionLoaded, ViewMsg_ExtensionLoaded_Params)
+
+// Notifies the renderer that an extension was unloaded in the browser.
+IPC_MESSAGE_CONTROL1(ViewMsg_ExtensionUnloaded, std::string)
+
+// Updates the scripting whitelist for extensions in the render process. This is
+// only used for testing.
+IPC_MESSAGE_CONTROL1(ViewMsg_Extension_SetScriptingWhitelist,
+                     Extension::ScriptingWhitelist /* extenison ids */)
+
+// Changes the text direction of the currently selected input field (if any).
+IPC_MESSAGE_ROUTED1(ViewMsg_SetTextDirection,
+                    WebKit::WebTextDirection /* direction */)
+
+// Tells the renderer to clear the focused node (if any).
+IPC_MESSAGE_ROUTED0(ViewMsg_ClearFocusedNode)
+
+// Make the RenderView transparent and render it onto a custom background. The
+// background will be tiled in both directions if it is not large enough.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetBackground,
+                    SkBitmap /* background */)
+
+// Reply to ViewHostMsg_RequestMove, ViewHostMsg_ShowView, and
+// ViewHostMsg_ShowWidget to inform the renderer that the browser has
+// processed the move.  The browser may have ignored the move, but it finished
+// processing.  This is used because the renderer keeps a temporary cache of
+// the widget position while these asynchronous operations are in progress.
+IPC_MESSAGE_ROUTED0(ViewMsg_Move_ACK)
+
+// Used to instruct the RenderView to send back updates to the preferred size.
+IPC_MESSAGE_ROUTED1(ViewMsg_EnablePreferredSizeChangedMode, int /*flags*/)
+
+IPC_MESSAGE_ROUTED4(ViewMsg_SearchBoxChange,
+                    string16 /* value */,
+                    bool /* verbatim */,
+                    int /* selection_start */,
+                    int /* selection_end */)
+IPC_MESSAGE_ROUTED2(ViewMsg_SearchBoxSubmit,
+                    string16 /* value */,
+                    bool /* verbatim */)
+IPC_MESSAGE_ROUTED0(ViewMsg_SearchBoxCancel)
+IPC_MESSAGE_ROUTED1(ViewMsg_SearchBoxResize,
+                    gfx::Rect /* search_box_bounds */)
+IPC_MESSAGE_ROUTED4(ViewMsg_DetermineIfPageSupportsInstant,
+                    string16 /* value*/,
+                    bool /* verbatim */,
+                    int /* selection_start */,
+                    int /* selection_end */)
+
+// Used to tell the renderer not to add scrollbars with height and
+// width below a threshold.
+IPC_MESSAGE_ROUTED1(ViewMsg_DisableScrollbarsForSmallWindows,
+                    gfx::Size /* disable_scrollbar_size_limit */)
+
+// Used to inform the renderer that the browser has displayed its
+// requested notification.
+IPC_MESSAGE_ROUTED1(ViewMsg_PostDisplayToNotificationObject,
+                    int /* notification_id */)
+
+// Used to inform the renderer that the browser has encountered an error
+// trying to display a notification.
+IPC_MESSAGE_ROUTED2(ViewMsg_PostErrorToNotificationObject,
+                    int /* notification_id */,
+                    string16 /* message */)
+
+// Informs the renderer that the one if its notifications has closed.
+IPC_MESSAGE_ROUTED2(ViewMsg_PostCloseToNotificationObject,
+                    int /* notification_id */,
+                    bool /* by_user */)
+
+// Informs the renderer that one of its notifications was clicked on.
+IPC_MESSAGE_ROUTED1(ViewMsg_PostClickToNotificationObject,
+                    int /* notification_id */)
+
+// Informs the renderer that the one if its notifications has closed.
+IPC_MESSAGE_ROUTED1(ViewMsg_PermissionRequestDone,
+                    int /* request_id */)
+
+// Activate/deactivate the RenderView (i.e., set its controls' tint
+// accordingly, etc.).
+IPC_MESSAGE_ROUTED1(ViewMsg_SetActive,
+                    bool /* active */)
+
+#if defined(OS_MACOSX)
+// Let the RenderView know its window has changed visibility.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetWindowVisibility,
+                    bool /* visibile */)
+
+// Let the RenderView know its window's frame has changed.
+IPC_MESSAGE_ROUTED2(ViewMsg_WindowFrameChanged,
+                    gfx::Rect /* window frame */,
+                    gfx::Rect /* content view frame */)
+
+// Tell the renderer that plugin IME has completed.
+IPC_MESSAGE_ROUTED2(ViewMsg_PluginImeCompositionCompleted,
+                    string16 /* text */,
+                    int /* plugin_id */)
+#endif
+
+// Response message to ViewHostMsg_CreateShared/DedicatedWorker.
+// Sent when the worker has started.
+IPC_MESSAGE_ROUTED0(ViewMsg_WorkerCreated)
+
+// Tell the renderer which browser window it's being attached to.
+IPC_MESSAGE_ROUTED1(ViewMsg_UpdateBrowserWindowId,
+                    int /* id of browser window */)
+
+// Tell the renderer which type this view is.
+IPC_MESSAGE_ROUTED1(ViewMsg_NotifyRenderViewType,
+                    ViewType::Type /* view_type */)
+
+// Notification that renderer should run some JavaScript code.
+IPC_MESSAGE_ROUTED1(ViewMsg_ExecuteCode,
+                    ViewMsg_ExecuteCode_Params)
+
+// SpellChecker messages.
+
+// Passes some initialization params to the renderer's spellchecker. This can
+// be called directly after startup or in (async) response to a
+// RequestDictionary ViewHost message.
+IPC_MESSAGE_CONTROL4(ViewMsg_SpellChecker_Init,
+                     IPC::PlatformFileForTransit /* bdict_file */,
+                     std::vector<std::string> /* custom_dict_words */,
+                     std::string /* language */,
+                     bool /* auto spell correct */)
+
+// A word has been added to the custom dictionary; update the local custom
+// word list.
+IPC_MESSAGE_CONTROL1(ViewMsg_SpellChecker_WordAdded,
+                     std::string /* word */)
+
+// Toggle the auto spell correct functionality.
+IPC_MESSAGE_CONTROL1(ViewMsg_SpellChecker_EnableAutoSpellCorrect,
+                     bool /* enable */)
+
+// Executes custom context menu action that was provided from WebKit.
+IPC_MESSAGE_ROUTED2(ViewMsg_CustomContextMenuAction,
+                    webkit_glue::CustomContextMenuContext /* custom_context */,
+                    unsigned /* action */)
+
+// Tells the renderer to translate the page contents from one language to
+// another.
+IPC_MESSAGE_ROUTED4(ViewMsg_TranslatePage,
+                    int /* page id */,
+                    std::string, /* the script injected in the page */
+                    std::string, /* BCP 47/RFC 5646 language code the page
+                                    is in */
+                    std::string /* BCP 47/RFC 5646 language code to translate
+                                   to */)
+
+// Tells the renderer to revert the text of translated page to its original
+// contents.
+IPC_MESSAGE_ROUTED1(ViewMsg_RevertTranslation,
+                    int /* page id */)
+
+// Reply in response to ViewHostMsg_Geolocation_RequestPermission.
+IPC_MESSAGE_ROUTED2(ViewMsg_Geolocation_PermissionSet,
+                    int /* bridge_id */,
+                    bool /* is_allowed */)
+
+// Sent after ViewHostMsg_Geolocation_StartUpdating iff the user has granted
+// permission and we have a position available or an error occurs (such as
+// permission denied, position unavailable, etc.)
+IPC_MESSAGE_ROUTED1(ViewMsg_Geolocation_PositionUpdated,
+                    Geoposition /* geoposition */)
+
+// Sent on process startup to indicate whether this process is running in
+// incognito mode.
+IPC_MESSAGE_CONTROL1(ViewMsg_SetIsIncognitoProcess,
+                     bool /* is_incognito_processs */)
+
+// Enable accessibility in the renderer process.
+IPC_MESSAGE_ROUTED0(ViewMsg_EnableAccessibility)
+
+// Relay a request from assistive technology to set focus to a given node.
+IPC_MESSAGE_ROUTED1(ViewMsg_SetAccessibilityFocus,
+                    int /* object id */)
+
+// Relay a request from assistive technology to perform the default action
+// on a given node.
+IPC_MESSAGE_ROUTED1(ViewMsg_AccessibilityDoDefaultAction,
+                    int /* object id */)
+
+// Tells the render view that a ViewHostMsg_AccessibilityNotifications
+// message was processed and it can send addition notifications.
+IPC_MESSAGE_ROUTED0(ViewMsg_AccessibilityNotifications_ACK)
+
+// Notification that the device's orientation has changed.
+IPC_MESSAGE_ROUTED1(ViewMsg_DeviceOrientationUpdated,
+                    ViewMsg_DeviceOrientationUpdated_Params)
+
+// The response to ViewHostMsg_AsyncOpenFile.
+IPC_MESSAGE_ROUTED3(ViewMsg_AsyncOpenFile_ACK,
+                    base::PlatformFileError /* error_code */,
+                    IPC::PlatformFileForTransit /* file descriptor */,
+                    int /* message_id */)
+
+// A classification model for client-side phishing detection.
+// The given file contains an encoded safe_browsing::ClientSideModel
+// protocol buffer.
+IPC_MESSAGE_CONTROL1(ViewMsg_SetPhishingModel,
+                     IPC::PlatformFileForTransit /* model_file */)
+
+// Request a DOM tree when a malware interstitial is shown.
+IPC_MESSAGE_ROUTED0(ViewMsg_GetMalwareDOMDetails)
+
+// Tells the renderer to begin phishing detection for the given toplevel URL
+// which it has started loading.
+IPC_MESSAGE_ROUTED1(ViewMsg_StartPhishingDetection, GURL)
+
+// External popup menus.
+IPC_MESSAGE_ROUTED1(ViewMsg_SelectPopupMenuItem,
+                    int /* selected index, -1 means no selection */)
+
+// Sent in response to a ViewHostMsg_ContextMenu to let the renderer know that
+// the menu has been closed.
+IPC_MESSAGE_ROUTED1(ViewMsg_ContextMenuClosed,
+                    webkit_glue::CustomContextMenuContext /* custom_context */)
+
+// Tells the renderer that the network state has changed and that
+// window.navigator.onLine should be updated for all WebViews.
+IPC_MESSAGE_ROUTED1(ViewMsg_NetworkStateChanged,
+                    bool /* online */)
+
+//-----------------------------------------------------------------------------
+// TabContents messages
+// These are messages sent from the renderer to the browser process.
+
+// Sent by the renderer when it is creating a new window.  The browser creates
+// a tab for it and responds with a ViewMsg_CreatingNew_ACK.  If route_id is
+// MSG_ROUTING_NONE, the view couldn't be created.
+IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_CreateWindow,
+                            ViewHostMsg_CreateWindow_Params,
+                            int /* route_id */,
+                            int64 /* cloned_session_storage_namespace_id */)
+
+// Similar to ViewHostMsg_CreateWindow, except used for sub-widgets, like
+// <select> dropdowns.  This message is sent to the TabContents that
+// contains the widget being created.
+IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_CreateWidget,
+                            int /* opener_id */,
+                            WebKit::WebPopupType /* popup type */,
+                            int /* route_id */)
+
+// Similar to ViewHostMsg_CreateWidget except the widget is a full screen
+// window.
+IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_CreateFullscreenWidget,
+                            int /* opener_id */,
+                            int /* route_id */)
+
+// These three messages are sent to the parent RenderViewHost to display the
+// page/widget that was created by
+// CreateWindow/CreateWidget/CreateFullscreenWidget. routing_id
+// refers to the id that was returned from the Create message above.
+// The initial_position parameter is a rectangle in screen coordinates.
+//
+// FUTURE: there will probably be flags here to control if the result is
+// in a new window.
+IPC_MESSAGE_ROUTED4(ViewHostMsg_ShowView,
+                    int /* route_id */,
+                    WindowOpenDisposition /* disposition */,
+                    gfx::Rect /* initial_pos */,
+                    bool /* opened_by_user_gesture */)
+
+IPC_MESSAGE_ROUTED2(ViewHostMsg_ShowWidget,
+                    int /* route_id */,
+                    gfx::Rect /* initial_pos */)
+
+// Message to show a full screen widget.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowFullscreenWidget,
+                    int /* route_id */)
+
+// Message to show a popup menu using native cocoa controls (Mac only).
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowPopup,
+                    ViewHostMsg_ShowPopup_Params)
+
+// This message is sent after ViewHostMsg_ShowView to cause the RenderView
+// to run in a modal fashion until it is closed.
+IPC_SYNC_MESSAGE_ROUTED0_0(ViewHostMsg_RunModal)
+
+IPC_MESSAGE_CONTROL1(ViewHostMsg_UpdatedCacheStats,
+                     WebKit::WebCache::UsageStats /* stats */)
+
+// Indicates the renderer is ready in response to a ViewMsg_New or
+// a ViewMsg_CreatingNew_ACK.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_RenderViewReady)
+
+
+// Indicates the renderer process is gone.  This actually is sent by the
+// browser process to itself, but keeps the interface cleaner.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_RenderViewGone,
+                    int, /* this really is base::TerminationStatus */
+                    int /* exit_code */)
+
+// Sent by the renderer process to request that the browser close the view.
+// This corresponds to the window.close() API, and the browser may ignore
+// this message.  Otherwise, the browser will generates a ViewMsg_Close
+// message to close the view.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_Close)
+
+// Sent by the renderer process to request that the browser move the view.
+// This corresponds to the window.resizeTo() and window.moveTo() APIs, and
+// the browser may ignore this message.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_RequestMove,
+                    gfx::Rect /* position */)
+
+// Notifies the browser that a frame in the view has changed. This message
+// has a lot of parameters and is packed/unpacked by functions defined in
+// render_messages.h.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_FrameNavigate,
+                    ViewHostMsg_FrameNavigate_Params)
+
+// Notifies the browser that we have session history information.
+// page_id: unique ID that allows us to distinguish between history entries.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateState,
+                    int32 /* page_id */,
+                    std::string /* state */)
+
+// Notifies the browser that a document has been loaded in a frame.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentLoadedInFrame,
+                    int64 /* frame_id */)
+
+// Notifies the browser that a frame finished loading.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_DidFinishLoad,
+                    int64 /* frame_id */)
+
+// Changes the title for the page in the UI when the page is navigated or the
+// title changes.
+// TODO(darin): use a UTF-8 string to reduce data size
+IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateTitle, int32, std::wstring)
+
+// Changes the icon url for the page in the UI.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateIconURL, int32, GURL)
+
+// Change the encoding name of the page in UI when the page has detected
+// proper encoding name.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateEncoding,
+                    std::string /* new encoding name */)
+
+// Notifies the browser that we want to show a destination url for a potential
+// action (e.g. when the user is hovering over a link).
+IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateTargetURL, int32, GURL)
+
+// Sent when the renderer starts loading the page. This corresponds to
+// WebKit's notion of the throbber starting. Note that sometimes you may get
+// duplicates of these during a single load.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_DidStartLoading)
+
+// Sent when the renderer is done loading a page. This corresponds to WebKit's
+// notion of the throbber stopping.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_DidStopLoading)
+
+// Sent when the renderer main frame has made progress loading.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_DidChangeLoadProgress,
+                    double /* load_progress */)
+
+// Sent when the document element is available for the toplevel frame.  This
+// happens after the page starts loading, but before all resources are
+// finished.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_DocumentAvailableInMainFrame)
+
+// Sent when after the onload handler has been invoked for the document
+// in the toplevel frame.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentOnLoadCompletedInMainFrame,
+                    int32 /* page_id */)
+
+// Sent when the renderer loads a resource from its memory cache.
+// The security info is non empty if the resource was originally loaded over
+// a secure connection.
+// Note: May only be sent once per URL per frame per committed load.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_DidLoadResourceFromMemoryCache,
+                    GURL /* url */,
+                    std::string  /* security info */)
+
+// Sent when the renderer displays insecure content in a secure page.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_DidDisplayInsecureContent)
+
+// Sent when the renderer runs insecure content in a secure origin.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_DidRunInsecureContent,
+                    std::string  /* security_origin */,
+                    GURL         /* target URL */)
+
+// Sent when the renderer starts a provisional load for a frame.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_DidStartProvisionalLoadForFrame,
+                    int64 /* frame_id */,
+                    bool /* true if it is the main frame */,
+                    GURL /* url */)
+
+// Sent when the renderer fails a provisional load with an error.
+IPC_MESSAGE_ROUTED5(ViewHostMsg_DidFailProvisionalLoadWithError,
+                    int64 /* frame_id */,
+                    bool /* true if it is the main frame */,
+                    int /* error_code */,
+                    GURL /* url */,
+                    bool /* true if the failure is the result of
+                            navigating to a POST again and we're going to
+                            show the POST interstitial */)
+
+// Tells the render view that a ViewHostMsg_PaintAtSize message was
+// processed, and the DIB is ready for use. |tag| has the same value that
+// the tag sent along with ViewMsg_PaintAtSize.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_PaintAtSize_ACK,
+                    int /* tag */,
+                    gfx::Size /* size */)
+
+// Sent to update part of the view.  In response to this message, the host
+// generates a ViewMsg_UpdateRect_ACK message.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateRect,
+                    ViewHostMsg_UpdateRect_Params)
+
+// Sent by the renderer when accelerated compositing is enabled or disabled to
+// notify the browser whether or not is should do painting.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_DidActivateAcceleratedCompositing,
+                    bool /* true if the accelerated compositor is actve */)
+
+// Acknowledges receipt of a ViewMsg_HandleInputEvent message.
+// Payload is a WebInputEvent::Type which is the type of the event, followed
+// by an optional WebInputEvent which is provided only if the event was not
+// processed.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_HandleInputEvent_ACK)
+
+IPC_MESSAGE_ROUTED0(ViewHostMsg_Focus)
+IPC_MESSAGE_ROUTED0(ViewHostMsg_Blur)
+
+// Message sent from renderer to the browser when focus changes inside the
+// webpage. The parameter says whether the newly focused element needs
+// keyboard input (true for textfields, text areas and content editable divs).
+IPC_MESSAGE_ROUTED1(ViewHostMsg_FocusedNodeChanged,
+    bool /* is_editable_node */)
+
+// Returns the window location of the given window.
+// TODO(shess): Provide a mapping from reply_msg->routing_id() to
+// HWND so that we can eliminate the NativeViewId parameter.
+IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetWindowRect,
+                           gfx::NativeViewId /* window */,
+                           gfx::Rect /* Out: Window location */)
+
+IPC_MESSAGE_ROUTED1(ViewHostMsg_SetCursor, WebCursor)
+// Result of string search in the page.
+// Response to ViewMsg_Find with the results of the requested find-in-page
+// search, the number of matches found and the selection rect (in screen
+// coordinates) for the string found. If |final_update| is false, it signals
+// that this is not the last Find_Reply message - more will be sent as the
+// scoping effort continues.
+IPC_MESSAGE_ROUTED5(ViewHostMsg_Find_Reply,
+                    int /* request_id */,
+                    int /* number of matches */,
+                    gfx::Rect /* selection_rect */,
+                    int /* active_match_ordinal */,
+                    bool /* final_update */)
+
+// Used to set a cookie. The cookie is set asynchronously, but will be
+// available to a subsequent ViewHostMsg_GetCookies request.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_SetCookie,
+                    GURL /* url */,
+                    GURL /* first_party_for_cookies */,
+                    std::string /* cookie */)
+
+// Used to get cookies for the given URL. This may block waiting for a
+// previous SetCookie message to be processed.
+IPC_SYNC_MESSAGE_ROUTED2_1(ViewHostMsg_GetCookies,
+                           GURL /* url */,
+                           GURL /* first_party_for_cookies */,
+                           std::string /* cookies */)
+
+// Used to get raw cookie information for the given URL. This may block
+// waiting for a previous SetCookie message to be processed.
+IPC_SYNC_MESSAGE_ROUTED2_1(ViewHostMsg_GetRawCookies,
+                           GURL /* url */,
+                           GURL /* first_party_for_cookies */,
+                           std::vector<webkit_glue::WebCookie>
+                               /* raw_cookies */)
+
+// Used to delete cookie for the given URL and name
+IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_DeleteCookie,
+                            GURL /* url */,
+                            std::string /* cookie_name */)
+
+// Used to check if cookies are enabled for the given URL. This may block
+// waiting for a previous SetCookie message to be processed.
+IPC_SYNC_MESSAGE_ROUTED2_1(ViewHostMsg_CookiesEnabled,
+                           GURL /* url */,
+                           GURL /* first_party_for_cookies */,
+                           bool /* cookies_enabled */)
+
+// Used to get the list of plugins
+IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetPlugins,
+    bool /* refresh*/,
+    std::vector<webkit::npapi::WebPluginInfo> /* plugins */)
+
+// Return information about a plugin for the given URL and MIME
+// type. If there is no matching plugin, |found| is false.  If
+// |enabled| in the WebPluginInfo struct is false, the plug-in is
+// treated as if it was not installed at all.
+//
+// If |setting| is set to CONTENT_SETTING_BLOCK, the plug-in is
+// blocked by the content settings for |policy_url|. It still
+// appears in navigator.plugins in Javascript though, and can be
+// loaded via click-to-play.
+//
+// If |setting| is set to CONTENT_SETTING_ALLOW, the domain is
+// explicitly white-listed for the plug-in, or the user has chosen
+// not to block nonsandboxed plugins.
+//
+// If |setting| is set to CONTENT_SETTING_DEFAULT, the plug-in is
+// neither blocked nor white-listed, which means that it's allowed
+// by default and can still be blocked if it's non-sandboxed.
+//
+// |actual_mime_type| is the actual mime type supported by the
+// plugin found that match the URL given (one for each item in
+// |info|).
+IPC_SYNC_MESSAGE_CONTROL4_4(ViewHostMsg_GetPluginInfo,
+                            int /* routing_id */,
+                            GURL /* url */,
+                            GURL /* policy_url */,
+                            std::string /* mime_type */,
+                            bool /* found */,
+                            webkit::npapi::WebPluginInfo /* plugin info */,
+                            ContentSetting /* setting */,
+                            std::string /* actual_mime_type */)
+
+// Requests spellcheck for a word.
+IPC_SYNC_MESSAGE_ROUTED2_2(ViewHostMsg_SpellCheck,
+                           string16 /* word to check */,
+                           int /* document tag*/,
+                           int /* misspell location */,
+                           int /* misspell length */)
+
+// Asks the browser for a unique document tag.
+IPC_SYNC_MESSAGE_ROUTED0_1(ViewHostMsg_GetDocumentTag,
+                           int /* the tag */)
+
+
+// This message tells the spellchecker that a document, identified by an int
+// tag, has been closed and all of the ignored words for that document can be
+// forgotten.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentWithTagClosed,
+                    int /* the tag */)
+
+// Tells the browser to display or not display the SpellingPanel
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowSpellingPanel,
+                    bool /* if true, then show it, otherwise hide it*/)
+
+// Tells the browser to update the spelling panel with the given word.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateSpellingPanelWithMisspelledWord,
+                    string16 /* the word to update the panel with */)
+
+// Tells the browser that content in the current page was blocked due to the
+// user's content settings.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_ContentBlocked,
+                    ContentSettingsType, /* type of blocked content */
+                    std::string /* resource identifier */)
+
+// Tells the browser that  a specific Appcache manifest in the current page
+// was accessed.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_AppCacheAccessed,
+                    GURL /* manifest url */,
+                    bool /* blocked by policy */)
+
+// Tells the browser that a specific Web database in the current page was
+// accessed.
+IPC_MESSAGE_ROUTED5(ViewHostMsg_WebDatabaseAccessed,
+                    GURL /* origin url */,
+                    string16 /* database name */,
+                    string16 /* database display name */,
+                    unsigned long /* estimated size */,
+                    bool /* blocked by policy */)
+
+// Initiates a download based on user actions like 'ALT+click'.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_DownloadUrl,
+                    GURL /* url */,
+                    GURL /* referrer */)
+
+// Used to go to the session history entry at the given offset (ie, -1 will
+// return the "back" item).
+IPC_MESSAGE_ROUTED1(ViewHostMsg_GoToEntryAtOffset,
+                    int /* offset (from current) of history item to get */)
+
+IPC_SYNC_MESSAGE_ROUTED4_2(ViewHostMsg_RunJavaScriptMessage,
+                           std::wstring /* in - alert message */,
+                           std::wstring /* in - default prompt */,
+                           GURL         /* in - originating page URL */,
+                           int          /* in - dialog flags */,
+                           bool         /* out - success */,
+                           std::wstring /* out - prompt field */)
+
+// Provides the contents for the given page that was loaded recently.
+IPC_MESSAGE_ROUTED5(ViewHostMsg_PageContents,
+                    GURL         /* URL of the page */,
+                    int32        /* page id */,
+                    string16     /* page contents */,
+                    std::string  /* page ISO639_1 language code */,
+                    bool         /* whether the page can be translated */)
+
+// Used to get the extension message bundle.
+IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetExtensionMessageBundle,
+                            std::string /* extension id */,
+                            SubstitutionMap /* message bundle */)
+
+// Specifies the URL as the first parameter (a wstring) and thumbnail as
+// binary data as the second parameter.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_Thumbnail,
+                    GURL /* url */,
+                    ThumbnailScore /* score */,
+                    SkBitmap /* bitmap */)
+
+// Send a snapshot of the tab contents to the render host.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_Snapshot,
+                    SkBitmap /* bitmap */)
+
+// Notification that the url for the favicon of a site has been determined.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateFavIconURL,
+                    int32 /* page_id */,
+                    GURL /* url of the favicon */)
+
+// Used to tell the parent that the user right clicked on an area of the
+// content area, and a context menu should be shown for it. The params
+// object contains information about the node(s) that were selected when the
+// user right clicked.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ContextMenu, ContextMenuParams)
+
+// Requests that the given URL be opened in the specified manner.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_OpenURL,
+                    GURL /* url */,
+                    GURL /* referrer */,
+                    WindowOpenDisposition /* disposition */)
+
+// Notifies that the preferred size of the content changed.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_DidContentsPreferredSizeChange,
+                    gfx::Size /* pref_size */)
+
+// Following message is used to communicate the values received by the
+// callback binding the JS to Cpp.
+// An instance of browser that has an automation host listening to it can
+// have a javascript send a native value (string, number, boolean) to the
+// listener in Cpp. (DomAutomationController)
+IPC_MESSAGE_ROUTED2(ViewHostMsg_DomOperationResponse,
+                    std::string  /* json_string */,
+                    int  /* automation_id */)
+
+// A message from HTML-based UI.  When (trusted) Javascript calls
+// send(message, args), this message is sent to the browser.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_WebUISend,
+                    GURL /* source_url */,
+                    std::string  /* message */,
+                    std::string  /* args (as a JSON string) */)
+
+// A message for an external host.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_ForwardMessageToExternalHost,
+                    std::string  /* message */,
+                    std::string  /* origin */,
+                    std::string  /* target */)
+
+// A renderer sends this to the browser process when it wants to
+// create a plugin.  The browser will create the plugin process if
+// necessary, and will return a handle to the channel on success.
+// On error an empty string is returned.
+IPC_SYNC_MESSAGE_CONTROL3_2(ViewHostMsg_OpenChannelToPlugin,
+                            int /* routing_id */,
+                            GURL /* url */,
+                            std::string /* mime_type */,
+                            IPC::ChannelHandle /* channel_handle */,
+                            webkit::npapi::WebPluginInfo /* info */)
+
+// A renderer sends this to the browser process when it wants to
+// create a pepper plugin.  The browser will create the plugin process if
+// necessary, and will return a handle to the channel on success.
+// On error an empty string is returned.
+IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_OpenChannelToPepperPlugin,
+                            FilePath /* path */,
+                            base::ProcessHandle /* plugin_process_handle */,
+                            IPC::ChannelHandle /* handle to channel */)
+
+// A renderer sends this to the browser process when it wants to start
+// a new instance of the Native Client process. The browser will launch
+// the process and return a handle to an IMC channel.
+IPC_SYNC_MESSAGE_CONTROL2_3(ViewHostMsg_LaunchNaCl,
+                            std::wstring /* url for the NaCl module */,
+                            int /* socket count */,
+                            std::vector<nacl::FileDescriptor>
+                                /* imc channel handles */,
+                            base::ProcessHandle /* NaCl process handle */,
+                            base::ProcessId /* NaCl process id */)
+
+#if defined(USE_X11)
+// A renderer sends this when it needs a browser-side widget for
+// hosting a windowed plugin. id is the XID of the plugin window, for which
+// the container is created.
+IPC_SYNC_MESSAGE_ROUTED1_0(ViewHostMsg_CreatePluginContainer,
+                           gfx::PluginWindowHandle /* id */)
+
+// Destroy a plugin container previously created using CreatePluginContainer.
+// id is the XID of the plugin window corresponding to the container that is
+// to be destroyed.
+IPC_SYNC_MESSAGE_ROUTED1_0(ViewHostMsg_DestroyPluginContainer,
+                           gfx::PluginWindowHandle /* id */)
+#endif
+
+// Clipboard IPC messages
+
+// This message is used when the object list does not contain a bitmap.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_ClipboardWriteObjectsAsync,
+    ui::Clipboard::ObjectMap /* objects */)
+// This message is used when the object list contains a bitmap.
+// It is synchronized so that the renderer knows when it is safe to
+// free the shared memory used to transfer the bitmap.
+IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_ClipboardWriteObjectsSync,
+    ui::Clipboard::ObjectMap /* objects */,
+    base::SharedMemoryHandle /* bitmap handle */)
+IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_ClipboardIsFormatAvailable,
+                            std::string /* format */,
+                            ui::Clipboard::Buffer /* buffer */,
+                            bool /* result */)
+IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_ClipboardReadText,
+                            ui::Clipboard::Buffer /* buffer */,
+                            string16 /* result */)
+IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_ClipboardReadAsciiText,
+                            ui::Clipboard::Buffer  /* buffer */,
+                            std::string /* result */)
+IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_ClipboardReadHTML,
+                            ui::Clipboard::Buffer  /* buffer */,
+                            string16 /* markup */,
+                            GURL /* url */)
+
+IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_ClipboardReadAvailableTypes,
+                            ui::Clipboard::Buffer /* buffer */,
+                            bool /* result */,
+                            std::vector<string16> /* types */,
+                            bool /* contains filenames */)
+IPC_SYNC_MESSAGE_CONTROL2_3(ViewHostMsg_ClipboardReadData,
+                            ui::Clipboard::Buffer /* buffer */,
+                            string16 /* type */,
+                            bool /* succeeded */,
+                            string16 /* data */,
+                            string16 /* metadata */)
+IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_ClipboardReadFilenames,
+                            ui::Clipboard::Buffer /* buffer */,
+                            bool /* result */,
+                            std::vector<string16> /* filenames */)
+
+#if defined(OS_MACOSX)
+IPC_MESSAGE_CONTROL1(ViewHostMsg_ClipboardFindPboardWriteStringAsync,
+    string16 /* text */)
+
+// Request that the browser load a font into shared memory for us.
+IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_LoadFont,
+                           FontDescriptor /* font to load */,
+                           uint32 /* buffer size */,
+                           base::SharedMemoryHandle /* font data */)
+#endif
+
+#if defined(OS_WIN)
+// Request that the given font be loaded by the browser so it's cached by the
+// OS. Please see ChildProcessHost::PreCacheFont for details.
+IPC_SYNC_MESSAGE_CONTROL1_0(ViewHostMsg_PreCacheFont,
+                            LOGFONT /* font data */)
+#endif  // defined(OS_WIN)
+
+// Returns WebScreenInfo corresponding to the view.
+// TODO(shess): Provide a mapping from reply_msg->routing_id() to
+// HWND so that we can eliminate the NativeViewId parameter.
+IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetScreenInfo,
+                           gfx::NativeViewId /* view */,
+                           WebKit::WebScreenInfo /* results */)
+
+// Send the tooltip text for the current mouse position to the browser.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_SetTooltipText,
+                    std::wstring /* tooltip text string */,
+                    WebKit::WebTextDirection /* text direction hint */)
+
+// Notification that the text selection has changed.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_SelectionChanged,
+                    std::string /* currently selected text */)
+
+// Asks the browser to display the file chooser.  The result is returned in a
+// ViewHost_RunFileChooserResponse message.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_RunFileChooser,
+                    ViewHostMsg_RunFileChooser_Params)
+
+// Used to tell the parent the user started dragging in the content area. The
+// WebDropData struct contains contextual information about the pieces of the
+// page the user dragged. The parent uses this notification to initiate a
+// drag session at the OS level.
+IPC_MESSAGE_ROUTED4(ViewHostMsg_StartDragging,
+                    WebDropData /* drop_data */,
+                    WebKit::WebDragOperationsMask /* ops_allowed */,
+                    SkBitmap /* image */,
+                    gfx::Point /* image_offset */)
+
+// The page wants to update the mouse cursor during a drag & drop operation.
+// |is_drop_target| is true if the mouse is over a valid drop target.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateDragCursor,
+                    WebKit::WebDragOperation /* drag_operation */)
+
+// Tells the browser to move the focus to the next (previous if reverse is
+// true) focusable element.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_TakeFocus, bool /* reverse */)
+
+// Notification that the page has an OpenSearch description document
+// associated with it.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_PageHasOSDD,
+                    int32 /* page_id */,
+                    GURL /* url of OS description document */,
+                    ViewHostMsg_PageHasOSDD_Type)
+
+// Find out if the given url's security origin is installed as a search
+// provider.
+IPC_SYNC_MESSAGE_ROUTED2_1(
+    ViewHostMsg_GetSearchProviderInstallState,
+    GURL /* page url */,
+    GURL /* inquiry url */,
+    ViewHostMsg_GetSearchProviderInstallState_Params /* install */)
+
+// Required for updating text input state.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_ImeUpdateTextInputState,
+                    WebKit::WebTextInputType, /* text_input_type */
+                    gfx::Rect /* caret_rect */)
+
+// Required for cancelling an ongoing input method composition.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_ImeCancelComposition)
+
+// Tells the browser that the renderer is done calculating the number of
+// rendered pages according to the specified settings.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_DidGetPrintedPagesCount,
+                    int /* rendered document cookie */,
+                    int /* number of rendered pages */)
+
+// Sends back to the browser the rendered "printed page" that was requested by
+// a ViewMsg_PrintPage message or from scripted printing. The memory handle in
+// this message is already valid in the browser process.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_DidPrintPage,
+                    ViewHostMsg_DidPrintPage_Params /* page content */)
+
+// The renderer wants to know the default print settings.
+IPC_SYNC_MESSAGE_ROUTED0_1(ViewHostMsg_GetDefaultPrintSettings,
+                           ViewMsg_Print_Params /* default_settings */)
+
+// The renderer wants to update the current print settings with new
+// |job_settings|.
+IPC_SYNC_MESSAGE_ROUTED2_1(ViewHostMsg_UpdatePrintSettings,
+                           int /* document_cookie */,
+                           DictionaryValue /* job_settings */,
+                           ViewMsg_Print_Params /* current_settings */)
+
+// It's the renderer that controls the printing process when it is generated
+// by javascript. This step is about showing UI to the user to select the
+// final print settings. The output parameter is the same as
+// ViewMsg_PrintPages which is executed implicitly.
+IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_ScriptedPrint,
+                           ViewHostMsg_ScriptedPrint_Params,
+                           ViewMsg_PrintPages_Params
+                               /* settings chosen by the user*/)
+
+// WebKit and JavaScript error messages to log to the console
+// or debugger UI.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_AddMessageToConsole,
+                    std::wstring, /* msg */
+                    int32, /* line number */
+                    std::wstring /* source id */)
+
+// Stores new inspector setting in the profile.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateInspectorSetting,
+                    std::string,  /* key */
+                    std::string /* value */)
+
+// Wraps an IPC message that's destined to the DevToolsClient on
+// DevToolsAgent->browser hop.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ForwardToDevToolsClient,
+                    IPC::Message /* one of DevToolsClientMsg_XXX types */)
+
+// Wraps an IPC message that's destined to the DevToolsAgent on
+// DevToolsClient->browser hop.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ForwardToDevToolsAgent,
+                    IPC::Message /* one of DevToolsAgentMsg_XXX types */)
+
+// Activates (brings to the front) corresponding dev tools window.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_ActivateDevToolsWindow)
+
+// Closes dev tools window that is inspecting current render_view_host.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_CloseDevToolsWindow)
+
+// Attaches dev tools window that is inspecting current render_view_host.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_RequestDockDevToolsWindow)
+
+// Detaches dev tools window that is inspecting current render_view_host.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_RequestUndockDevToolsWindow)
+
+// Updates runtime features store in devtools manager in order to support
+// cross-navigation instrumentation.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_DevToolsRuntimePropertyChanged,
+                    std::string /* name */,
+                    std::string /* value */)
+
+// Send back a string to be recorded by UserMetrics.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_UserMetricsRecordAction,
+                     std::string /* action */)
+
+// Send back histograms as vector of pickled-histogram strings.
+IPC_MESSAGE_CONTROL2(ViewHostMsg_RendererHistograms,
+                     int, /* sequence number of Renderer Histograms. */
+                     std::vector<std::string>)
+
+#if defined USE_TCMALLOC
+// Send back tcmalloc stats output.
+IPC_MESSAGE_CONTROL2(ViewHostMsg_RendererTcmalloc,
+                     int          /* pid */,
+                     std::string  /* tcmalloc debug output */)
+#endif
+
+// Sends back stats about the V8 heap.
+IPC_MESSAGE_CONTROL2(ViewHostMsg_V8HeapStats,
+                     int /* size of heap (allocated from the OS) */,
+                     int /* bytes in use */)
+
+// Request for a DNS prefetch of the names in the array.
+// NameList is typedef'ed std::vector<std::string>
+IPC_MESSAGE_CONTROL1(ViewHostMsg_DnsPrefetch,
+                    std::vector<std::string> /* hostnames */)
+
+// Notifies when default plugin updates status of the missing plugin.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_MissingPluginStatus,
+                    int /* status */)
+
+// Sent by the renderer process to indicate that a plugin instance has
+// crashed.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_CrashedPlugin,
+                    FilePath /* plugin_path */)
+
+// Notifies when a plugin couldn't be loaded because it's outdated.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_BlockedOutdatedPlugin,
+                    string16, /* name */
+                    GURL      /* update_url */)
+
+// Displays a JavaScript out-of-memory message in the infobar.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_JSOutOfMemory)
+
+// Displays a box to confirm that the user wants to navigate away from the
+// page. Replies true if yes, false otherwise, the reply string is ignored,
+// but is included so that we can use OnJavaScriptMessageBoxClosed.
+IPC_SYNC_MESSAGE_ROUTED2_2(ViewHostMsg_RunBeforeUnloadConfirm,
+                           GURL,        /* in - originating frame URL */
+                           std::wstring /* in - alert message */,
+                           bool         /* out - success */,
+                           std::wstring /* out - This is ignored.*/)
+
+IPC_MESSAGE_ROUTED3(ViewHostMsg_SendCurrentPageAllSavableResourceLinks,
+                    std::vector<GURL> /* all savable resource links */,
+                    std::vector<GURL> /* all referrers of resource links */,
+                    std::vector<GURL> /* all frame links */)
+
+IPC_MESSAGE_ROUTED3(ViewHostMsg_SendSerializedHtmlData,
+                    GURL /* frame's url */,
+                    std::string /* data buffer */,
+                    int32 /* complete status */)
+
+IPC_SYNC_MESSAGE_ROUTED4_1(ViewHostMsg_ShowModalHTMLDialog,
+                           GURL /* url */,
+                           int /* width */,
+                           int /* height */,
+                           std::string /* json_arguments */,
+                           std::string /* json_retval */)
+
+IPC_MESSAGE_ROUTED2(ViewHostMsg_DidGetApplicationInfo,
+                    int32 /* page_id */,
+                    WebApplicationInfo)
+
+// Sent by the renderer to implement chrome.app.installApplication().
+IPC_MESSAGE_ROUTED1(ViewHostMsg_InstallApplication,
+                    WebApplicationInfo)
+
+// Provides the result from running OnMsgShouldClose.  |proceed| matches the
+// return value of the the frame's shouldClose method (which includes the
+// onbeforeunload handler): true if the user decided to proceed with leaving
+// the page.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ShouldClose_ACK,
+                    bool /* proceed */)
+
+// Indicates that the current page has been closed, after a ClosePage
+// message. The parameters are just echoed from the ClosePage request.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ClosePage_ACK,
+                    ViewMsg_ClosePage_Params)
+
+IPC_MESSAGE_ROUTED4(ViewHostMsg_DidDownloadFavIcon,
+                    int /* Identifier of the request */,
+                    GURL /* URL of the image */,
+                    bool /* true if there was a network error */,
+                    SkBitmap /* image_data */)
+
+// Get the CPBrowsingContext associated with the renderer sending this
+// message.
+IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GetCPBrowsingContext,
+                            uint32 /* context */)
+
+IPC_MESSAGE_CONTROL1(ViewHostMsg_RevealFolderInOS,
+                     FilePath /* path */)
+
+// Sent when a provisional load on the main frame redirects.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_DidRedirectProvisionalLoad,
+                    int /* page_id */,
+                    GURL /* last url */,
+                    GURL /* url redirected to */)
+
+// Sent when the renderer changes the zoom level for a particular url, so the
+// browser can update its records.  If remember is true, then url is used to
+// update the zoom level for all pages in that site.  Otherwise, the render
+// view's id is used so that only the menu is updated.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_DidZoomURL,
+                    double /* zoom_level */,
+                    bool /* remember */,
+                    GURL /* url */)
+
+#if defined(OS_WIN)
+// Duplicates a shared memory handle from the renderer to the browser. Then
+// the renderer can flush the handle.
+IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_DuplicateSection,
+                           base::SharedMemoryHandle /* renderer handle */,
+                           base::SharedMemoryHandle /* browser handle */)
+#endif
+
+#if defined(USE_X11)
+// Asks the browser to create a temporary file for the renderer to fill
+// in resulting NativeMetafile in printing.
+IPC_SYNC_MESSAGE_CONTROL0_2(ViewHostMsg_AllocateTempFileForPrinting,
+                            base::FileDescriptor /* temp file fd */,
+                            int /* fd in browser*/)
+IPC_MESSAGE_CONTROL1(ViewHostMsg_TempFileForPrintingWritten,
+                     int /* fd in browser */)
+#endif
+
+// Asks the browser to create a block of shared memory for the renderer to
+// fill in and pass back to the browser.
+IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_AllocateSharedMemoryBuffer,
+                           uint32 /* buffer size */,
+                           base::SharedMemoryHandle /* browser handle */)
+
+// Provide the browser process with information about the WebCore resource
+// cache.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_ResourceTypeStats,
+                     WebKit::WebCache::ResourceTypeStats)
+
+// Notify the browser that this render process can or can't be suddenly
+// terminated.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_SuddenTerminationChanged,
+                     bool /* enabled */)
+
+// Returns the window location of the window this widget is embeded.
+// TODO(shess): Provide a mapping from reply_msg->routing_id() to
+// HWND so that we can eliminate the NativeViewId parameter.
+IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetRootWindowRect,
+                           gfx::NativeViewId /* window */,
+                           gfx::Rect /* Out: Window location */)
+
+// Informs the browser of a new appcache host.
+IPC_MESSAGE_CONTROL1(AppCacheMsg_RegisterHost,
+                     int /* host_id */)
+
+// Informs the browser of an appcache host being destroyed.
+IPC_MESSAGE_CONTROL1(AppCacheMsg_UnregisterHost,
+                     int /* host_id */)
+
+// Initiates the cache selection algorithm for the given host.
+// This is sent prior to any subresource loads. An AppCacheMsg_CacheSelected
+// message will be sent in response.
+// 'host_id' indentifies a specific document or worker
+// 'document_url' the url of the main resource
+// 'appcache_document_was_loaded_from' the id of the appcache the main
+//     resource was loaded from or kNoCacheId
+// 'opt_manifest_url' the manifest url specified in the <html> tag if any
+IPC_MESSAGE_CONTROL4(AppCacheMsg_SelectCache,
+                     int /* host_id */,
+                     GURL  /* document_url */,
+                     int64 /* appcache_document_was_loaded_from */,
+                     GURL  /* opt_manifest_url */)
+
+// Initiates worker specific cache selection algorithm for the given host.
+IPC_MESSAGE_CONTROL3(AppCacheMsg_SelectCacheForWorker,
+                     int /* host_id */,
+                     int /* parent_process_id */,
+                     int /* parent_host_id */)
+IPC_MESSAGE_CONTROL2(AppCacheMsg_SelectCacheForSharedWorker,
+                     int /* host_id */,
+                     int64 /* appcache_id */)
+
+// Informs the browser of a 'foreign' entry in an appcache.
+IPC_MESSAGE_CONTROL3(AppCacheMsg_MarkAsForeignEntry,
+                     int /* host_id */,
+                     GURL  /* document_url */,
+                     int64 /* appcache_document_was_loaded_from */)
+
+// Returns the status of the appcache associated with host_id.
+IPC_SYNC_MESSAGE_CONTROL1_1(AppCacheMsg_GetStatus,
+                            int /* host_id */,
+                            appcache::Status)
+
+// Initiates an update of the appcache associated with host_id.
+IPC_SYNC_MESSAGE_CONTROL1_1(AppCacheMsg_StartUpdate,
+                            int /* host_id */,
+                            bool /* success */)
+
+// Swaps a new pending appcache, if there is one, into use for host_id.
+IPC_SYNC_MESSAGE_CONTROL1_1(AppCacheMsg_SwapCache,
+                            int /* host_id */,
+                            bool /* success */)
+
+// Gets resource list from appcache synchronously.
+IPC_SYNC_MESSAGE_CONTROL1_1(AppCacheMsg_GetResourceList,
+                            int /* host_id in*/,
+                            std::vector<appcache::AppCacheResourceInfo>
+                            /* resources out */)
+
+// Get the list of proxies to use for |url|, as a semicolon delimited list
+// of "<TYPE> <HOST>:<PORT>" | "DIRECT". See also
+// PluginProcessHostMsg_ResolveProxy which does the same thing.
+IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_ResolveProxy,
+                            GURL /* url */,
+                            int /* network error */,
+                            std::string /* proxy list */)
+
+// Request that got sent to browser for creating an audio output stream
+IPC_MESSAGE_ROUTED3(ViewHostMsg_CreateAudioStream,
+                    int /* stream_id */,
+                    ViewHostMsg_Audio_CreateStream_Params,
+                    bool /* low-latency */)
+
+// Tell the browser the audio buffer prepared for stream
+// (render_view_id, stream_id) is filled and is ready to be consumed.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_NotifyAudioPacketReady,
+                    int /* stream_id */,
+                    uint32 /* packet size */)
+
+// Start buffering and play the audio stream specified by
+// (render_view_id, stream_id).
+IPC_MESSAGE_ROUTED1(ViewHostMsg_PlayAudioStream,
+                    int /* stream_id */)
+
+// Pause the audio stream specified by (render_view_id, stream_id).
+IPC_MESSAGE_ROUTED1(ViewHostMsg_PauseAudioStream,
+                    int /* stream_id */)
+
+// Discard all buffered audio data for the specified audio stream.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_FlushAudioStream,
+                    int /* stream_id */)
+
+// Close an audio stream specified by (render_view_id, stream_id).
+IPC_MESSAGE_ROUTED1(ViewHostMsg_CloseAudioStream,
+                    int /* stream_id */)
+
+// Get audio volume of the stream specified by (render_view_id, stream_id).
+IPC_MESSAGE_ROUTED1(ViewHostMsg_GetAudioVolume,
+                    int /* stream_id */)
+
+// Set audio volume of the stream specified by (render_view_id, stream_id).
+// TODO(hclam): change this to vector if we have channel numbers other than 2.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_SetAudioVolume,
+                    int /* stream_id */,
+                    double /* volume */)
+
+// A renderer sends this message when an extension process starts an API
+// request. The browser will always respond with a ViewMsg_ExtensionResponse.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ExtensionRequest,
+                    ViewHostMsg_DomMessage_Params)
+
+// Notify the browser that the given extension added a listener to an event.
+IPC_MESSAGE_CONTROL2(ViewHostMsg_ExtensionAddListener,
+                     std::string /* extension_id */,
+                     std::string /* name */)
+
+// Notify the browser that the given extension removed a listener from an
+// event.
+IPC_MESSAGE_CONTROL2(ViewHostMsg_ExtensionRemoveListener,
+                     std::string /* extension_id */,
+                     std::string /* name */)
+
+// Message sent from renderer to the browser to update the state of a command.
+// The |command| parameter is a RenderViewCommand. The |checked_state| parameter
+// is a CommandCheckedState.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_CommandStateChanged,
+                    int /* command */,
+                    bool /* is_enabled */,
+                    int /* checked_state */)
+
+#if defined(OS_MACOSX)
+// On OSX, we cannot allocated shared memory from within the sandbox, so
+// this call exists for the renderer to ask the browser to allocate memory
+// on its behalf. We return a file descriptor to the POSIX shared memory.
+// If the |cache_in_browser| flag is |true|, then a copy of the shmem is kept
+// by the browser, and it is the caller's repsonsibility to send a
+// ViewHostMsg_FreeTransportDIB message in order to release the cached shmem.
+// In all cases, the caller is responsible for deleting the resulting
+// TransportDIB.
+IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_AllocTransportDIB,
+                            size_t, /* bytes requested */
+                            bool, /* cache in the browser */
+                            TransportDIB::Handle /* DIB */)
+
+// Since the browser keeps handles to the allocated transport DIBs, this
+// message is sent to tell the browser that it may release them when the
+// renderer is finished with them.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_FreeTransportDIB,
+                     TransportDIB::Id /* DIB id */)
+
+// Informs the browser that a plugin has gained or lost focus.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_PluginFocusChanged,
+                    bool, /* focused */
+                    int /* plugin_id */)
+
+// Instructs the browser to start plugin IME.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_StartPluginIme)
+
+//---------------------------------------------------------------------------
+// Messages related to accelerated plugins
+
+// This is sent from the renderer to the browser to allocate a fake
+// PluginWindowHandle on the browser side which is used to identify
+// the plugin to the browser later when backing store is allocated
+// or reallocated. |opaque| indicates whether the plugin's output is
+// considered to be opaque, as opposed to translucent. This message
+// is reused for rendering the accelerated compositor's output.
+// |root| indicates whether the output is supposed to cover the
+// entire window.
+IPC_SYNC_MESSAGE_ROUTED2_1(ViewHostMsg_AllocateFakePluginWindowHandle,
+                           bool /* opaque */,
+                           bool /* root */,
+                           gfx::PluginWindowHandle /* id */)
+
+// Destroys a fake window handle previously allocated using
+// AllocateFakePluginWindowHandle.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_DestroyFakePluginWindowHandle,
+                    gfx::PluginWindowHandle /* id */)
+
+// This message, used on Mac OS X 10.5 and earlier (no IOSurface support),
+// is sent from the renderer to the browser on behalf of the plug-in
+// to indicate that a new backing store was allocated for that plug-in
+// instance.
+IPC_MESSAGE_ROUTED4(ViewHostMsg_AcceleratedSurfaceSetTransportDIB,
+                    gfx::PluginWindowHandle /* window */,
+                    int32 /* width */,
+                    int32 /* height */,
+                    TransportDIB::Handle /* handle for the DIB */)
+
+// This message, used on Mac OS X 10.6 and later (where IOSurface is
+// supported), is sent from the renderer to the browser on behalf of the
+// plug-in to indicate that a new backing store was allocated for that
+// plug-in instance.
+//
+// NOTE: the original intent was to pass a mach port as the IOSurface
+// identifier but it looks like that will be a lot of work. For now we pass an
+// ID from IOSurfaceGetID.
+IPC_MESSAGE_ROUTED4(ViewHostMsg_AcceleratedSurfaceSetIOSurface,
+                    gfx::PluginWindowHandle /* window */,
+                    int32 /* width */,
+                    int32 /* height */,
+                    uint64 /* surface_id */)
+
+// This message notifies the browser process that the plug-in
+// swapped the buffers associated with the given "window", which
+// should cause the browser to redraw the various plug-ins'
+// contents.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_AcceleratedSurfaceBuffersSwapped,
+                    gfx::PluginWindowHandle /* window */,
+                    uint64 /* surface_id */)
+#endif
+
+// A renderer sends this to the browser process when it wants to create a
+// worker.  The browser will create the worker process if necessary, and
+// will return the route id on success.  On error returns MSG_ROUTING_NONE.
+IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_CreateWorker,
+                            ViewHostMsg_CreateWorker_Params,
+                            int /* route_id */)
+
+// This message is sent to the browser to see if an instance of this shared
+// worker already exists. If so, it returns exists == true. If a
+// non-empty name is passed, also validates that the url matches the url of
+// the existing worker. If a matching worker is found, the passed-in
+// document_id is associated with that worker, to ensure that the worker
+// stays alive until the document is detached.
+// The route_id returned can be used to forward messages to the worker via
+// ForwardToWorker if it exists, otherwise it should be passed in to any
+// future call to CreateWorker to avoid creating duplicate workers.
+IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_LookupSharedWorker,
+                            ViewHostMsg_CreateWorker_Params,
+                            bool /* exists */,
+                            int /* route_id */,
+                            bool /* url_mismatch */)
+
+// A renderer sends this to the browser process when a document has been
+// detached. The browser will use this to constrain the lifecycle of worker
+// processes (SharedWorkers are shut down when their last associated document
+// is detached).
+IPC_MESSAGE_CONTROL1(ViewHostMsg_DocumentDetached,
+                     uint64 /* document_id */)
+
+// A message sent to the browser on behalf of a renderer which wants to show
+// a desktop notification.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowDesktopNotification,
+                    ViewHostMsg_ShowNotification_Params)
+IPC_MESSAGE_ROUTED1(ViewHostMsg_CancelDesktopNotification,
+                    int /* notification_id */)
+IPC_MESSAGE_ROUTED2(ViewHostMsg_RequestNotificationPermission,
+                    GURL /* origin */,
+                    int /* callback_context */)
+IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_CheckNotificationPermission,
+                           GURL /* source page */,
+                           int /* permission_result */)
+
+// Sent if the worker object has sent a ViewHostMsg_CreateDedicatedWorker
+// message and not received a ViewMsg_WorkerCreated reply, but in the
+// mean time it's destroyed.  This tells the browser to not create the queued
+// worker.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_CancelCreateDedicatedWorker,
+                     int /* route_id */)
+
+// Wraps an IPC message that's destined to the worker on the renderer->browser
+// hop.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_ForwardToWorker,
+                     IPC::Message /* message */)
+
+// Open a channel to all listening contexts owned by the extension with
+// the given ID.  This always returns a valid port ID which can be used for
+// sending messages.  If an error occurred, the opener will be notified
+// asynchronously.
+IPC_SYNC_MESSAGE_CONTROL4_1(ViewHostMsg_OpenChannelToExtension,
+                            int /* routing_id */,
+                            std::string /* source_extension_id */,
+                            std::string /* target_extension_id */,
+                            std::string /* channel_name */,
+                            int /* port_id */)
+
+// Get a port handle to the given tab.  The handle can be used for sending
+// messages to the extension.
+IPC_SYNC_MESSAGE_CONTROL4_1(ViewHostMsg_OpenChannelToTab,
+                            int /* routing_id */,
+                            int /* tab_id */,
+                            std::string /* extension_id */,
+                            std::string /* channel_name */,
+                            int /* port_id */)
+
+// Send a message to an extension process.  The handle is the value returned
+// by ViewHostMsg_OpenChannelTo*.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_ExtensionPostMessage,
+                    int /* port_id */,
+                    std::string /* message */)
+
+// Send a message to an extension process.  The handle is the value returned
+// by ViewHostMsg_OpenChannelTo*.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_ExtensionCloseChannel,
+                     int /* port_id */)
+
+// Sent to notify the browser about renderer accessibility notifications.
+// The browser responds with a ViewMsg_AccessibilityNotifications_ACK.
+IPC_MESSAGE_ROUTED1(
+    ViewHostMsg_AccessibilityNotifications,
+    std::vector<ViewHostMsg_AccessibilityNotification_Params>)
+
+// Send part of the DOM to the browser, to be used in a malware report.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_MalwareDOMDetails,
+                    ViewHostMsg_MalwareDOMDetails_Params)
+
+// Message sent from the renderer to the browser to request that the browser
+// close all sockets.  Used for debugging/testing.
+IPC_MESSAGE_CONTROL0(ViewHostMsg_CloseCurrentConnections)
+
+// Message sent from the renderer to the browser to request that the browser
+// enable or disable the cache.  Used for debugging/testing.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_SetCacheMode,
+                     bool /* enabled */)
+
+// Message sent from the renderer to the browser to request that the browser
+// clear the cache.  Used for debugging/testing.
+// |preserve_ssl_host_info| controls whether clearing the cache will preserve
+// persisted SSL information stored in the cache.
+// |result| is the returned status from the operation.
+IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_ClearCache,
+                            bool /* preserve_ssl_host_info */,
+                            int  /* result */)
+
+// Message sent from the renderer to the browser to request that the browser
+// enable or disable spdy.  Used for debugging/testing/benchmarking.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_EnableSpdy,
+                     bool /* enable */)
+
+// Message sent from the renderer to the browser to request that the browser
+// cache |data| associated with |url|.
+IPC_MESSAGE_CONTROL3(ViewHostMsg_DidGenerateCacheableMetadata,
+                     GURL /* url */,
+                     double /* expected_response_time */,
+                     std::vector<char> /* data */)
+
+// Opens a file asynchronously. The response returns a file descriptor
+// and an error code from base/platform_file.h.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_AsyncOpenFile,
+                    FilePath /* file path */,
+                    int /* flags */,
+                    int /* message_id */)
+
+// Sent by the renderer process to acknowledge receipt of a
+// ViewMsg_CSSInsertRequest message and css has been inserted into the frame.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_OnCSSInserted)
+
+// Notifies the browser of the language (ISO 639_1 code language, such as fr,
+// en, zh...) of the current page.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_PageLanguageDetermined,
+                    std::string /* the language */)
+
+// Notifies the browser that a page has been translated.
+IPC_MESSAGE_ROUTED4(ViewHostMsg_PageTranslated,
+                    int,                  /* page id */
+                    std::string           /* the original language */,
+                    std::string           /* the translated language */,
+                    TranslateErrors::Type /* the error type if available */)
+
+//---------------------------------------------------------------------------
+// Request for cryptographic operation messages:
+// These are messages from the renderer to the browser to perform a
+// cryptographic operation.
+
+// Asks the browser process to generate a keypair for grabbing a client
+// certificate from a CA (<keygen> tag), and returns the signed public
+// key and challenge string.
+IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Keygen,
+                            uint32 /* key size index */,
+                            std::string /* challenge string */,
+                            GURL /* URL of requestor */,
+                            std::string /* signed public key and challenge */)
+
+// The renderer has tried to spell check a word, but couldn't because no
+// dictionary was available to load. Request that the browser find an
+// appropriate dictionary and return it.
+IPC_MESSAGE_CONTROL0(ViewHostMsg_SpellChecker_RequestDictionary)
+
+IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_SpellChecker_PlatformCheckSpelling,
+                            string16 /* word */,
+                            int /* document tag */,
+                            bool /* correct */)
+
+IPC_SYNC_MESSAGE_CONTROL1_1(
+    ViewHostMsg_SpellChecker_PlatformFillSuggestionList,
+    string16 /* word */,
+    std::vector<string16> /* suggestions */)
+
+IPC_MESSAGE_CONTROL4(ViewHostMsg_SpellChecker_PlatformRequestTextCheck,
+                     int /* route_id for response */,
+                     int /* request identifier given by WebKit */,
+                     int /* document tag */,
+                     string16 /* sentence */)
+
+//---------------------------------------------------------------------------
+// Geolocation services messages
+
+// The |render_view_id| and |bridge_id| representing |host| is requesting
+// permission to access geolocation position.
+// This will be replied by ViewMsg_Geolocation_PermissionSet.
+IPC_MESSAGE_CONTROL3(ViewHostMsg_Geolocation_RequestPermission,
+                     int /* render_view_id */,
+                     int /* bridge_id */,
+                     GURL /* GURL of the frame requesting geolocation */)
+
+// The |render_view_id| and |bridge_id| representing |GURL| is cancelling its
+// previous permission request to access geolocation position.
+IPC_MESSAGE_CONTROL3(ViewHostMsg_Geolocation_CancelPermissionRequest,
+                     int /* render_view_id */,
+                     int /* bridge_id */,
+                     GURL /* GURL of the frame */)
+
+// The |render_view_id| requests Geolocation service to start updating.
+// This is an asynchronous call, and the browser process may eventually reply
+// with the updated geoposition, or an error (access denied, location
+// unavailable, etc.)
+IPC_MESSAGE_CONTROL3(ViewHostMsg_Geolocation_StartUpdating,
+                     int /* render_view_id */,
+                     GURL /* GURL of the frame requesting geolocation */,
+                     bool /* enable_high_accuracy */)
+
+// The |render_view_id| requests Geolocation service to stop updating.
+// Note that the geolocation service may continue to fetch geolocation data
+// for other origins.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_Geolocation_StopUpdating,
+                     int /* render_view_id */)
+
+// Updates the minimum/maximum allowed zoom percent for this tab from the
+// default values.  If |remember| is true, then the zoom setting is applied to
+// other pages in the site and is saved, otherwise it only applies to this
+// tab.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_UpdateZoomLimits,
+                    int /* minimum_percent */,
+                    int /* maximum_percent */,
+                    bool /* remember */)
+
+//---------------------------------------------------------------------------
+// Device orientation services messages:
+
+// A RenderView requests to start receiving device orientation updates.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_DeviceOrientation_StartUpdating,
+                     int /* render_view_id */)
+
+// A RenderView requests to stop receiving device orientation updates.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_DeviceOrientation_StopUpdating,
+                     int /* render_view_id */)
+
+//---------------------------------------------------------------------------
+// Blob messages:
+
+// Registers a blob URL referring to the specified blob data.
+IPC_MESSAGE_CONTROL2(ViewHostMsg_RegisterBlobUrl,
+                     GURL /* url */,
+                     scoped_refptr<webkit_blob::BlobData> /* blob_data */)
+
+// Registers a blob URL referring to the blob data identified by the specified
+// source URL.
+IPC_MESSAGE_CONTROL2(ViewHostMsg_RegisterBlobUrlFrom,
+                     GURL /* url */,
+                     GURL /* src_url */)
+
+// Unregister a blob URL.
+IPC_MESSAGE_CONTROL1(ViewHostMsg_UnregisterBlobUrl, GURL /* url */)
+
+// Suggest results -----------------------------------------------------------
+
+IPC_MESSAGE_ROUTED2(ViewHostMsg_SetSuggestions,
+                    int32 /* page_id */,
+                    std::vector<std::string> /* suggestions */)
+
+IPC_MESSAGE_ROUTED2(ViewHostMsg_InstantSupportDetermined,
+                    int32 /* page_id */,
+                    bool  /* result */)
+
+// Response from ViewMsg_ScriptEvalRequest. The ID is the parameter supplied
+// to ViewMsg_ScriptEvalRequest. The result has the value returned by the
+// script as it's only element, one of Null, Boolean, Integer, Real, Date, or
+// String.
+IPC_MESSAGE_ROUTED2(ViewHostMsg_ScriptEvalResponse,
+                    int  /* id */,
+                    ListValue  /* result */)
+
+// Updates the content restrictions, i.e. to disable print/copy.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateContentRestrictions,
+                    int /* restrictions */)
+
+// The currently displayed PDF has an unsupported feature.
+IPC_MESSAGE_ROUTED0(ViewHostMsg_PDFHasUnsupportedFeature)
+
+// JavaScript related messages -----------------------------------------------
+
+// Notify the JavaScript engine in the render to change its parameters
+// while performing stress testing.
+IPC_MESSAGE_ROUTED2(ViewMsg_JavaScriptStressTestControl,
+                    int /* cmd */,
+                    int /* param */)
+
+// Register a new handler for URL requests with the given scheme.
+IPC_MESSAGE_ROUTED3(ViewHostMsg_RegisterProtocolHandler,
+                    std::string /* scheme */,
+                    GURL /* url */,
+                    string16 /* title */)
+