The first step for enabling off-the-spot IME on Pepper on ChromeOS/Linux.

chrome/browser/renderer_host/render_widget_host_view_mac.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.
 
 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
@@ skipping 201 matching lines @@
   virtual gfx::Rect GetViewCocoaBounds() const;
   virtual gfx::Rect GetRootWindowRect();
   virtual void SetActive(bool active);
   virtual void SetWindowVisibility(bool visible);
   virtual void WindowFrameChanged();
   virtual void SetBackground(const SkBitmap& background);
   virtual bool ContainsNativeView(gfx::NativeView native_view) const;
 
   virtual void OnAccessibilityNotifications(
       const std::vector<ViewHostMsg_AccessibilityNotification_Params>& params);
 

[oshima, 2011/05/25 17:18:18]

ditto (line, OVERRIDE)

+  virtual void PpapiPluginFocusChanged(bool focused);
+
   virtual void PluginFocusChanged(bool focused, int plugin_id);
   virtual void StartPluginIme();
   virtual bool PostProcessEventForPluginIme(
       const NativeWebKeyboardEvent& event);
 
   // Methods associated with GPU-accelerated plug-in instances and the
   // accelerated compositor.
   virtual gfx::PluginWindowHandle AllocateFakePluginWindowHandle(bool opaque,
                                                                  bool root);
   virtual void DestroyFakePluginWindowHandle(gfx::PluginWindowHandle window);
@@ skipping 146 matching lines @@
   // hidden until the software backing store has been updated. This variable is
   // set when the gpu widget needs to be hidden once a paint is completed.
   bool needs_gpu_visibility_update_after_repaint_;
 
   gfx::PluginWindowHandle compositing_surface_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_