[Mac] Implement the system dictionary popup by implementing NSTextInput methods.

content/common/view_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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/common_param_traits.h"
 #include "content/common/css_colors.h"
 #include "content/common/edit_command.h"
 #include "content/common/navigation_gesture.h"
 #include "content/common/page_transition_types.h"
 #include "content/common/page_zoom.h"
 #include "content/common/renderer_preferences.h"
 #include "content/common/webkit_param_traits.h"
 #include "content/common/window_container_type.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_platform_file.h"
 #include "net/base/host_port_pair.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/WebPopupType.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebScreenInfo.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebTextInputType.h"
+#include "ui/base/range/range.h"
 #include "ui/gfx/rect.h"
 #include "webkit/glue/context_menu.h"
 #include "webkit/glue/password_form.h"
 #include "webkit/glue/webcookie.h"
 #include "webkit/glue/webmenuitem.h"
 #include "webkit/glue/webpreferences.h"
 #include "webkit/glue/webaccessibility.h"
 #include "webkit/plugins/npapi/webplugin.h"
 #include "webkit/plugins/npapi/webplugininfo.h"
 
@@ skipping 1637 matching lines @@
 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 */)
+IPC_MESSAGE_ROUTED2(ViewHostMsg_SelectionChanged,
+                    std::string /* currently selected text */,
+                    ui::Range /* selection range */)
 
 // 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)
 
 // Asks the browser to enumerate a directory.  This is equivalent to running
 // the file chooser in directory-enumeration mode and having the user select
 // the given directory.  The result is returned in a
 // ViewMsg_EnumerateDirectoryResponse message.
@@ skipping 11 matching lines @@
 // HWND so that we can eliminate the NativeViewId parameter.
 IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetRootWindowRect,
                            gfx::NativeViewId /* window */,
                            gfx::Rect /* Out: Window location */)
 
 // Required for updating text input state.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_ImeUpdateTextInputState,
                     WebKit::WebTextInputType, /* text_input_type */
                     gfx::Rect /* caret_rect */)
 
+
+// Message sent when the IME text composition range changes.
+IPC_MESSAGE_ROUTED1(ViewHostMsg_ImeCompositionRangeChanged,
+                    ui::Range /* composition range */)
+
 // Required for cancelling an ongoing input method composition.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_ImeCancelComposition)
 
 // WebKit and JavaScript error messages to log to the console
 // or debugger UI.
 IPC_MESSAGE_ROUTED4(ViewHostMsg_AddMessageToConsole,
                     int32, /* log level */
                     std::wstring, /* msg */
                     int32, /* line number */
                     std::wstring /* source id */)
@@ skipping 237 matching lines @@
                     std::string /* value */)
 
 // Message sent from the renderer to the browser to notify it of events which
 // may lead to the cancellation of a prerender. The message is sent only when
 // the renderer is in prerender mode.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_MaybeCancelPrerenderForHTML5Media)
 
 // Send back a string to be recorded by UserMetrics.
 IPC_MESSAGE_CONTROL1(ViewHostMsg_UserMetricsRecordAction,
                      std::string /* action */)