[Mac]: Enable speech sub-menu under the edit menu and pipe it through to the renderer.

content/renderer/render_view_impl.cc

 // 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 848 matching lines @@
     IPC_MESSAGE_HANDLER(ViewMsg_Copy, OnCopy)
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewMsg_CopyToFindPboard, OnCopyToFindPboard)
 #endif
     IPC_MESSAGE_HANDLER(ViewMsg_Paste, OnPaste)
     IPC_MESSAGE_HANDLER(ViewMsg_PasteAndMatchStyle, OnPasteAndMatchStyle)
     IPC_MESSAGE_HANDLER(ViewMsg_Replace, OnReplace)
     IPC_MESSAGE_HANDLER(ViewMsg_Delete, OnDelete)
     IPC_MESSAGE_HANDLER(ViewMsg_SelectAll, OnSelectAll)
     IPC_MESSAGE_HANDLER(ViewMsg_SelectRange, OnSelectRange)
+#if defined(OS_MACOSX)
+    IPC_MESSAGE_HANDLER(ViewMsg_SpeakSelection, OnSpeakSelection)
+#endif
     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
     IPC_MESSAGE_HANDLER(ViewMsg_ExecuteEditCommand, OnExecuteEditCommand)
     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
     IPC_MESSAGE_HANDLER(ViewMsg_FindReplyACK, OnFindReplyAck)
     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevel, OnSetZoomLevel)
     IPC_MESSAGE_HANDLER(ViewMsg_ZoomFactor, OnZoomFactor)
     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
                         OnSetZoomLevelForLoadingURL)
@@ skipping 2024 matching lines @@
     webview()->settings()->setViewportEnabled(true);
   } else if (enable_fixed_layout) {
     std::string str =
         command_line.GetSwitchValueASCII(switches::kEnableFixedLayout);
     std::vector<std::string> tokens;
     base::SplitString(str, ',', &tokens);
     if (tokens.size() == 2) {
       int width, height;
       if (base::StringToInt(tokens[0], &width) &&
           base::StringToInt(tokens[1], &height))
-        webview()->setFixedLayoutSize(WebSize(width,height));
+        webview()->setFixedLayoutSize(WebSize(width, height));
     }
   }
 }
 
 void RenderViewImpl::didStartProvisionalLoad(WebFrame* frame) {
   WebDataSource* ds = frame->provisionalDataSource();
   DocumentState* document_state = DocumentState::FromDataSource(ds);
 
   // Update the request time if WebKit has better knowledge of it.
   if (document_state->request_time().is_null()) {
@@ skipping 1565 matching lines @@
 void RenderViewImpl::OnScriptEvalRequest(const string16& frame_xpath,
                                          const string16& jscript,
                                          int id,
                                          bool notify_result) {
   EvaluateScript(frame_xpath, jscript, id, notify_result);
 }
 
 void RenderViewImpl::OnPostMessageEvent(
     const ViewMsg_PostMessage_Params& params) {
   // TODO(creis): Support sending to subframes.
-  WebFrame *frame = webview()->mainFrame();
+  WebFrame* frame = webview()->mainFrame();
 
   // Find the source frame if it exists.
   // TODO(creis): Support source subframes.
   WebFrame* source_frame = NULL;
   if (params.source_routing_id != MSG_ROUTING_NONE) {
     RenderViewImpl* source_view = FromRoutingID(params.source_routing_id);
     if (source_view)
       source_frame = source_view->webview()->mainFrame();
   }
 
@@ skipping 312 matching lines @@
 
 void RenderViewImpl::OnShouldClose() {
   base::TimeTicks before_unload_start_time = base::TimeTicks::Now();
   bool should_close = webview()->dispatchBeforeUnloadEvent();
   base::TimeTicks before_unload_end_time = base::TimeTicks::Now();
   Send(new ViewHostMsg_ShouldClose_ACK(routing_id_, should_close,
                                        before_unload_start_time,
                                        before_unload_end_time));
 }
 
+#if defined(OS_MACOSX)
+void RenderViewImpl::OnSpeakSelection() {
+  if (!webview())
+    return;
+
+  WebFrame* frame = webview()->focusedFrame();
+  if (frame->hasSelection())
+    Send(new ViewHostMsg_SpeakText(routing_id(), frame->selectionAsText()));
+}
+#endif
+
 void RenderViewImpl::OnSwapOut(const ViewMsg_SwapOut_Params& params) {
   // Ensure that no other in-progress navigation continues.
   OnStop();
 
   // Only run unload if we're not swapped out yet, but send the ack either way.
   if (!is_swapped_out_) {
     // Swap this RenderView out so the tab can navigate to a page rendered by a
     // different process.  This involves running the unload handler and clearing
     // the page.  Once WasSwappedOut is called, we also allow this process to
     // exit if there are no other active RenderViews in it.
@@ skipping 403 matching lines @@
     for (plugin_it = plugin_delegates_.begin();
          plugin_it != plugin_delegates_.end(); ++plugin_it) {
 #if defined(OS_MACOSX)
       // RenderWidget's call to setFocus can cause the underlying webview's
       // activation state to change just like a call to setIsActive.
       if (enable)
         (*plugin_it)->SetWindowFocus(true);
 #endif
       (*plugin_it)->SetContentAreaFocus(enable);
     }
-
   }
   // Notify all Pepper plugins.
   pepper_delegate_.OnSetFocus(enable);
 }
 
 void RenderViewImpl::PpapiPluginFocusChanged() {
   UpdateTextInputState();
   UpdateSelectionBounds();
 }
 
@@ skipping 447 matching lines @@
 bool RenderViewImpl::WebWidgetHandlesCompositorScheduling() const {
   return !!RenderThreadImpl::current()->compositor_thread();
 }
 
 void RenderViewImpl::OnJavaBridgeInit() {
   DCHECK(!java_bridge_dispatcher_);
 #if defined(ENABLE_JAVA_BRIDGE)
   java_bridge_dispatcher_ = new JavaBridgeDispatcher(this);
 #endif
 }