Get surrounding text from webkit. This CL is for sharing code only.

content/browser/renderer_host/render_widget_host.h

Index: content/browser/renderer_host/render_widget_host.h
diff --git a/content/browser/renderer_host/render_widget_host.h b/content/browser/renderer_host/render_widget_host.h
index 776bbc6be90d125bcdcbc09858e5071bf6a51bff..61ee2e0a4c5bfd41f0929d846452ff655cc5a239 100644
--- a/content/browser/renderer_host/render_widget_host.h
+++ b/content/browser/renderer_host/render_widget_host.h
@@ -47,6 +47,7 @@ class RenderProcessHost;
 class RenderWidgetHostView;
 class TransportDIB;
 class WebCursor;
+struct ViewHostMsg_ImeUpdateTextInputState_Params;
 struct ViewHostMsg_UpdateRect_Params;
 
 // This class manages the browser side of a browser<->renderer HWND connection.
@@ -458,9 +459,8 @@ class RenderWidgetHost : public IPC::Channel::Listener,
   virtual void OnMsgBlur();
 
   void OnMsgSetCursor(const WebCursor& cursor);
-  void OnMsgImeUpdateTextInputState(ui::TextInputType type,
-                                    bool can_compose_inline,
-                                    const gfx::Rect& caret_rect);
+  void OnMsgImeUpdateTextInputState(
+      const ViewHostMsg_ImeUpdateTextInputState_Params& params);
   void OnMsgImeCompositionRangeChanged(const ui::Range& range);
   void OnMsgImeCancelComposition();