Defect 248426: Speak rendered text when no selection is made on Mac

content/common/view_messages.h

 // Copyright (c) 2012 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/memory/shared_memory.h"
 #include "base/process/process.h"
 #include "base/strings/string16.h"
@@ skipping 879 matching lines @@
 // process to release the magnified image.
 IPC_MESSAGE_ROUTED1(ViewMsg_ReleaseDisambiguationPopupBitmap,
                     cc::SharedBitmapId /* id */)
 
 // Notifies the renderer that a snapshot has been retrieved.
 IPC_MESSAGE_ROUTED3(ViewMsg_WindowSnapshotCompleted,
                     int /* snapshot_id */,
                     gfx::Size /* size */,
                     std::vector<unsigned char> /* png */)
 
+// Extracts the data at the given rect, returning it through the
+// ViewHostMsg_SmartClipDataExtracted IPC.
+IPC_MESSAGE_ROUTED0(ViewMsg_GetRenderedText)
+
 #if defined(OS_MACOSX)
 IPC_ENUM_TRAITS_MAX_VALUE(blink::ScrollerStyle, blink::ScrollerStyleOverlay);
 
 // Notification of a change in scrollbar appearance and/or behavior.
 IPC_MESSAGE_CONTROL5(ViewMsg_UpdateScrollbarTheme,
                      float /* initial_button_delay */,
                      float /* autoscroll_button_delay */,
                      bool /* jump_on_track_click */,
                      blink::ScrollerStyle /* preferred_scroller_style */,
                      bool /* redraw */)
+// For now using a different IPC_Message for extracting smart clip on mac.
+IPC_MESSAGE_ROUTED1(ViewMsg_GetSmartClipDataFromRect, gfx::Rect /* rect */)

[Alexei Svitkine (slow), 2014/06/25 13:58:29]

Is this part of the change needed?

 #endif
 
 #if defined(OS_ANDROID)
 // Tells the renderer to suspend/resume the webkit timers.
 IPC_MESSAGE_CONTROL1(ViewMsg_SetWebKitSharedTimersSuspended,
                      bool /* suspend */)
 
 // Sent when the browser wants the bounding boxes of the current find matches.
 //
 // If match rects are already cached on the browser side, |current_version|
@@ skipping 22 matching lines @@
 IPC_MESSAGE_ROUTED0(ViewMsg_ShowImeIfNeeded)
 
 // Sent by the browser when the renderer should generate a new frame.
 IPC_MESSAGE_ROUTED1(ViewMsg_BeginFrame,
                     cc::BeginFrameArgs /* args */)
 
 // Sent by the browser when an IME update that requires acknowledgement has been
 // processed on the browser side.
 IPC_MESSAGE_ROUTED0(ViewMsg_ImeEventAck)
 
-// Extracts the data at the given rect, returning it through the
-// ViewHostMsg_SmartClipDataExtracted IPC.
-IPC_MESSAGE_ROUTED1(ViewMsg_ExtractSmartClipData,
-                    gfx::Rect /* rect */)
-
 #elif 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 */)
 
@@ skipping 710 matching lines @@
                            base::SharedMemoryHandle /* font data */,
                            uint32 /* font 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)
+IPC_MESSAGE_ROUTED1(ViewMsg_GetRenderedTextCompleted, std::string);
 
 #elif defined(OS_WIN)
 // Request that the given font characters be loaded by the browser so it's
 // cached by the OS. Please see RenderMessageFilter::OnPreCacheFontCharacters
 // for details.
 IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_PreCacheFontCharacters,
                             LOGFONT /* font_data */,
                             base::string16 /* characters */)
 #endif
 
@@ skipping 23 matching lines @@
 // synchronously (see crbug.com/120597). This IPC message sends the character
 // bounds after every composition change to always have correct bound info.
 IPC_MESSAGE_ROUTED2(ViewHostMsg_ImeCompositionRangeChanged,
                     gfx::Range /* composition range */,
                     std::vector<gfx::Rect> /* character bounds */)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.