Browser Side Text Input State Tracking for OOPIF.

content/browser/frame_host/render_widget_host_view_guest.h

Index: content/browser/frame_host/render_widget_host_view_guest.h
diff --git a/content/browser/frame_host/render_widget_host_view_guest.h b/content/browser/frame_host/render_widget_host_view_guest.h
index 3c82fcd6787fd4561255f1e1e77a78ea3180c0e0..29a2595767bf684d28c326caab94fdd7cb7775e5 100644
--- a/content/browser/frame_host/render_widget_host_view_guest.h
+++ b/content/browser/frame_host/render_widget_host_view_guest.h
@@ -24,7 +24,7 @@
 #include "ui/gfx/geometry/vector2d_f.h"
 #include "ui/gfx/native_widget_types.h"
 
-struct ViewHostMsg_TextInputState_Params;
+struct TextInputState;
 
 namespace content {
 class BrowserPluginGuest;
@@ -78,8 +78,7 @@ class CONTENT_EXPORT RenderWidgetHostViewGuest
   void MovePluginWindows(const std::vector<WebPluginGeometry>& moves) override;
   void UpdateCursor(const WebCursor& cursor) override;
   void SetIsLoading(bool is_loading) override;
-  void TextInputStateChanged(
-      const ViewHostMsg_TextInputState_Params& params) override;
+  void TextInputStateChanged(const TextInputState& params) override;
   void ImeCancelComposition() override;
 #if defined(OS_MACOSX) || defined(USE_AURA)
   void ImeCompositionRangeChanged(