OOPIF IME: Renderer Side Changes

content/renderer/render_widget.h

Index: content/renderer/render_widget.h
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 8883dd44c6e6630453ad0e62e0f65fb4296f9c26..9cc831c3f692ccc5c4704ef3afb303c7598cb383 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -83,6 +83,7 @@ class CompositorDependencies;
 class ExternalPopupMenu;
 class FrameSwapMessageQueue;
 class ImeEventGuard;
+class PepperPluginInstanceImpl;
 class RenderFrameImpl;
 class RenderFrameProxy;
 class RenderWidgetCompositor;
@@ -362,9 +363,24 @@ class CONTENT_EXPORT RenderWidget
   void SetDeviceColorProfileForTesting(const std::vector<char>& color_profile);
   void ResetDeviceColorProfileForTesting();
 
+  // RenderWidget IME-related Methods.
+  void HandleImeSetComposition(
+      const base::string16& text,
+      const std::vector<blink::WebCompositionUnderline>& underlines,
+      const gfx::Range& replacement_range,
+      int selection_start,
+      int selection_end);
+  void HandleImeConfirmComposition(const base::string16& text,
+                                   const gfx::Range& replacement_range,
+                                   bool keep_selection);
+
   // Indicates whether this widget has focus.
   bool has_focus() const { return has_focus_; }
 
+  void set_focused_pepper_plugin(PepperPluginInstanceImpl* plugin) {
+    focused_pepper_plugin_ = plugin;
+  }
+
  protected:
   // Friend RefCounted so that the dtor can be non-public. Using this class
   // without ref-counting is an error.
@@ -458,6 +474,7 @@ class CONTENT_EXPORT RenderWidget
   virtual void OnImeConfirmComposition(const base::string16& text,
                                        const gfx::Range& replacement_range,
                                        bool keep_selection);
+
   // Called when the device scale factor is changed, or the layer tree is
   // initialized.
   virtual void OnDeviceScaleFactorChanged();
@@ -766,6 +783,10 @@ class CONTENT_EXPORT RenderWidget
   // Indicates whether this widget has focus.
   bool has_focus_;
 
+  // This reference is set by the RenderFrame and is used to query the IME-
+  // related state from the plugin to later send to the browser.
+  PepperPluginInstanceImpl* focused_pepper_plugin_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };