DO NOT SUBMIT: Bundle IME-related messages into one for batch edit

content/browser/renderer_host/render_widget_host_impl.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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 163 matching lines @@
   void RemoveKeyPressEventCallback(
       const KeyPressEventCallback& callback) override;
   void AddMouseEventCallback(const MouseEventCallback& callback) override;
   void RemoveMouseEventCallback(const MouseEventCallback& callback) override;
   void AddInputEventObserver(
       RenderWidgetHost::InputEventObserver* observer) override;
   void RemoveInputEventObserver(
       RenderWidgetHost::InputEventObserver* observer) override;
   void GetScreenInfo(content::ScreenInfo* result) override;
   void HandleCompositorProto(const std::vector<uint8_t>& proto) override;
+  void SendOrBatch(IPC::Message* message) override;
+
+  // Begin batch edit mode.
+  void BeginBatchEdit();
+  // End batch edit mode.
+  void EndBatchEdit();
+  // Deletes the current selection plus the specified number of characters
+  // before and after the selection or caret.
+  void ExtendSelectionAndDelete(size_t before, size_t after);
 
   // Notification that the screen info has changed.
   void NotifyScreenInfoChanged();
 
   // Forces redraw in the renderer and when the update reaches the browser
   // grabs snapshot from the compositor. Returns PNG-encoded snapshot.
   using GetSnapshotFromBrowserCallback =
       base::Callback<void(const unsigned char*, size_t)>;
   void GetSnapshotFromBrowser(const GetSnapshotFromBrowserCallback& callback);
 
@@ skipping 639 matching lines @@
   RenderWidgetHostDelegate::RendererUnresponsiveType hang_monitor_reason_;
 
   // This value indicates how long to wait for a new compositor frame from a
   // renderer process before clearing any previously displayed content.
   base::TimeDelta new_content_rendering_delay_;
 
 #if defined(OS_MACOSX)
   std::unique_ptr<device::PowerSaveBlocker> power_save_blocker_;
 #endif
 
+  // Messages that will be sent at once in a batch edit.
+  std::vector<IPC::Message> batch_edit_messages_;
+  // Whether or not we are in the batch edit mode.
+  bool in_ime_batch_edit_;
+
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_