Implement Pepper IME API.

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index c8cc69a6092e79fa32d889c9d0b51abeb6dffa63..295613d51289e7b2ebb370c0a29b6d3983bc6f35 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -249,6 +249,12 @@ class RenderViewImpl : 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();
 
@@ -634,6 +640,7 @@ class RenderViewImpl : 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;
   virtual bool WebWidgetHandlesCompositorScheduling() const OVERRIDE;