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

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 ac79586615d1eb80b608dc9532984fce6326c315..2643c49ff7c7d627042e2a89d0fcbe27773a203b 100644
--- a/content/renderer/render_view.h
+++ b/content/renderer/render_view.h
@@ -305,6 +305,9 @@ class RenderView : public RenderWidget,
   WebKit::WebPlugin* CreatePluginNoCheck(WebKit::WebFrame* frame,
                                          const WebKit::WebPluginParams& params);
 
+  // Informs the render view that a PPAPI plugin has gained or lost focus.
+  void PpapiPluginFocusChanged();
+
 #if defined(OS_MACOSX)
   // Informs the render view that the given plugin has gained or lost focus.
   void PluginFocusChanged(bool focused, int plugin_id);
@@ -609,6 +612,13 @@ class RenderView : public RenderWidget,
   virtual void OnWasHidden();
   virtual void OnWasRestored(bool needs_repainting);
   virtual bool SupportsAsynchronousSwapBuffers() OVERRIDE;
+  virtual void OnImeSetComposition(
+      const string16& text,
+      const std::vector<WebKit::WebCompositionUnderline>& underlines,
+      int selection_start,
+      int selection_end) OVERRIDE;
+  virtual void OnImeConfirmComposition(const string16& text) OVERRIDE;
+  virtual WebKit::WebTextInputType GetTextInputType() OVERRIDE;
 
  private:
   // For unit tests.