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

chrome/browser/renderer_host/render_widget_host_view_gtk.h

Index: chrome/browser/renderer_host/render_widget_host_view_gtk.h
diff --git a/chrome/browser/renderer_host/render_widget_host_view_gtk.h b/chrome/browser/renderer_host/render_widget_host_view_gtk.h
index d70dfbccbdffa57aca19a42ff7a44bc1218fac85..747d1d8a9194ca16531b8fd363b8b7c7b2896862 100644
--- a/chrome/browser/renderer_host/render_widget_host_view_gtk.h
+++ b/chrome/browser/renderer_host/render_widget_host_view_gtk.h
@@ -97,6 +97,8 @@ class RenderWidgetHostViewGtk : public RenderWidgetHostView,
   virtual void AcceleratedCompositingActivated(bool activated);
   virtual gfx::PluginWindowHandle GetCompositingSurface();
 

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

ditto

+  virtual void PpapiPluginFocusChanged(bool focused) OVERRIDE;
+
   // ui::AnimationDelegate implementation.
   virtual void AnimationEnded(const ui::Animation* animation);
   virtual void AnimationProgressed(const ui::Animation* animation);