chrome/common/render_messages.h - Issue 6721021: Move a bunch of renderer->browser messages to content.

Unified Diff: chrome/common/render_messages.h

Issue 6721021: Move a bunch of renderer->browser messages to content. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/

Patch Set: '' Created 9 years, 9 months ago

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Index: chrome/common/render_messages.h

===================================================================

--- chrome/common/render_messages.h (revision 79131)

+++ chrome/common/render_messages.h (working copy)

@@ -34,7 +34,6 @@

#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/css_colors.h"

#include "content/common/notification_type.h"

@@ -47,23 +46,15 @@

#include "ipc/ipc_platform_file.h" // ifdefed typedef.

#include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositionUnderline.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/gfx/rect.h"

#include "webkit/glue/webaccessibility.h"

-#include "webkit/glue/webcookie.h"

#include "webkit/glue/webcursor.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 "content/common/font_descriptor_mac.h"

-#endif

// TODO(mpcomplete): rename ViewMsg and ViewHostMsg to something that makes

// more sense with our current design.

@@ -99,42 +90,6 @@

namespace IPC {

-#if defined(OS_MACOSX)

-// Traits for FontDescriptor structure to pack/unpack.

-template <>

-struct ParamTraits<FontDescriptor> {

- typedef FontDescriptor 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);

-};

-#endif

-template <>

-struct ParamTraits<webkit::npapi::WebPluginGeometry> {

- typedef webkit::npapi::WebPluginGeometry 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);

-};

-// Traits for ViewMsg_GetPlugins_Reply structure to pack/unpack.

-template <>

-struct ParamTraits<webkit::npapi::WebPluginMimeType> {

- typedef webkit::npapi::WebPluginMimeType param_type;

- static void Write(Message* m, const param_type& p);

- static bool Read(const Message* m, void** iter, param_type* r);

- static void Log(const param_type& p, std::string* l);

-};

-template <>

-struct ParamTraits<webkit::npapi::WebPluginInfo> {

- typedef webkit::npapi::WebPluginInfo param_type;

- static void Write(Message* m, const param_type& p);

- static bool Read(const Message* m, void** iter, param_type* r);

- static void Log(const param_type& p, std::string* l);

-};

#if defined(OS_POSIX)

// TODO(port): this shouldn't exist. However, the plugin stuff is really using

@@ -174,16 +129,7 @@

static void Log(const param_type& p, std::string* l);

};

-// Traits for WebCookie

template <>

-struct ParamTraits<webkit_glue::WebCookie> {

- typedef webkit_glue::WebCookie 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);

-};

-template <>

struct SimilarTypeTraits<TranslateErrors::Type> {

typedef int Type;

};

@@ -559,283 +505,9 @@

// 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 */)

-// 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)

-// 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 */,

@@ -847,7 +519,6 @@

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.

@@ -868,47 +539,6 @@

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 */,

@@ -930,16 +560,6 @@

int32 /* page_id */,

GURL /* url of the favicon */)

-// 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

@@ -949,39 +569,12 @@

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.

@@ -993,60 +586,6 @@

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

-#if defined(OS_MACOSX)

-// 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)

-// 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,

@@ -1281,13 +820,6 @@

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 */)

// 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,

« chrome/common/common_param_traits.cc ('K') | « chrome/common/common_param_traits.cc ('k') | chrome/common/render_messages.cc » ('j') | chrome/common/render_messages_params.cc » ('J')