Implement Pepper IME API.

content/renderer/render_view.h

Index: content/renderer/render_view.h
diff --git a/content/renderer/render_view.h b/content/renderer/render_view.h
index e595f20f39f27e5b013d663d26068b14877d23a0..3cb91683bd8678fb10ef6973e3e841e4663d54cc 100644
--- a/content/renderer/render_view.h
+++ b/content/renderer/render_view.h
@@ -307,6 +307,12 @@ class RenderView : public RenderWidget,
   // Informs the render view that a PPAPI plugin has gained or lost focus.
   void PpapiPluginFocusChanged();
 
+  // Informs the render view that a PPAPI plugin has changed text input status.
+  void PpapiPluginTextInputTypeChanged();
+
+  // Cancels current composition.
+  void PpapiPluginCancelComposition();
+
   // Request updated policy regarding firewall NAT traversal being enabled.
   void RequestRemoteAccessClientFirewallTraversal();
 
@@ -662,6 +668,7 @@ class RenderView : public RenderWidget,
       int selection_end) OVERRIDE;
   virtual void OnImeConfirmComposition(const string16& text) OVERRIDE;
   virtual ui::TextInputType GetTextInputType() OVERRIDE;
+  virtual gfx::Rect GetCaretBounds() OVERRIDE;
   virtual bool CanComposeInline() OVERRIDE;
 
  private: