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

content/port/browser/render_widget_host_view_port.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.
 
 #ifndef CONTENT_PORT_BROWSER_RENDER_WIDGET_HOST_VIEW_PORT_H_
 #define CONTENT_PORT_BROWSER_RENDER_WIDGET_HOST_VIEW_PORT_H_
 
+#include <vector>
+
 #include "base/callback.h"
 #include "base/process_util.h"
 #include "base/string16.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupType.h"
 #include "ui/base/ime/text_input_type.h"
 #include "ui/base/range/range.h"
 #include "ui/surface/transport_dib.h"
 
@@ skipping 188 matching lines @@
   virtual void AcceleratedSurfaceSetIOSurface(
       gfx::PluginWindowHandle window,
       int32 width,
       int32 height,
       uint64 io_surface_identifier) = 0;
   virtual void AcceleratedSurfaceSetTransportDIB(
       gfx::PluginWindowHandle window,
       int32 width,
       int32 height,
       TransportDIB::Handle transport_dib) = 0;
+
+  // Tells the view to speak the given |text|.
+  virtual void SpeakText(const string16& text) = 0;
 #endif
 
   virtual void AcceleratedSurfaceNew(
       int32 width_in_pixel,
       int32 height_in_pixel,
       uint64 surface_id) {}
   virtual void AcceleratedSurfaceRelease(uint64 surface_id) {}
 
 #if defined(TOOLKIT_GTK)
   virtual void CreatePluginContainer(gfx::PluginWindowHandle id) = 0;
@@ skipping 38 matching lines @@
   virtual BrowserAccessibilityManager*
       GetBrowserAccessibilityManager() const = 0;
   virtual void OnAccessibilityNotifications(
       const std::vector<AccessibilityHostMsg_NotificationParams>& params) {
   }
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PORT_BROWSER_RENDER_WIDGET_HOST_VIEW_PORT_H_