Adds link disambiguation popup support to Windows.

content/browser/renderer_host/render_widget_host_view_aura.h

Index: content/browser/renderer_host/render_widget_host_view_aura.h
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.h b/content/browser/renderer_host/render_widget_host_view_aura.h
index af4a62bc27f0802ac68cfe87e78fb7519f221230..86b1242e1100b01b2cfcece47e134c62f4fdc2f7 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.h
+++ b/content/browser/renderer_host/render_widget_host_view_aura.h
@@ -227,6 +227,8 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
   virtual gfx::AcceleratedWidget AccessibilityGetAcceleratedWidget() OVERRIDE;
   virtual gfx::NativeViewAccessible AccessibilityGetNativeViewAccessible()
       OVERRIDE;
+  virtual void ShowDisambiguationPopup(const gfx::Rect& rect_pixels,
+                                       const SkBitmap& zoomed_bitmap) OVERRIDE;
   virtual bool LockMouse() OVERRIDE;
   virtual void UnlockMouse() OVERRIDE;
   virtual void OnSwapCompositorFrame(
@@ -337,6 +339,14 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
   void OnLegacyWindowDestroyed();
 #endif
 
+  void DisambiguationPopupRendered(bool success, const SkBitmap& result);
+
+  void HideDisambiguationPopup();
+
+  void ProcessDisambiguationGesture(ui::GestureEvent* event);
+
+  void ProcessDisambiguationMouse(ui::MouseEvent* event);
+
   // Method to indicate if this instance is shutting down or closing.
   // TODO(shrikant): Discuss around to see if it makes sense to add this method
   // as part of RenderWidgetHostView.
@@ -552,7 +562,7 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
   gfx::Point unlocked_global_mouse_position_;
   // Last cursor position relative to screen. Used to compute movementX/Y.
   gfx::Point global_mouse_position_;
-  // In mouse locked mode, we syntheticaly move the mouse cursor to the center
+  // In mouse locked mode, we synthetically move the mouse cursor to the center
   // of the window when it reaches the window borders to avoid it going outside.
   // This flag is used to differentiate between these synthetic mouse move
   // events vs. normal mouse move events.
@@ -578,7 +588,7 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
 
   typedef std::map<HWND, WebPluginGeometry> PluginWindowMoves;
   // Contains information about each windowed plugin's clip and cutout rects (
-  // from the renderer). This is needed because when the transient windoiws
+  // from the renderer). This is needed because when the transient windows
   // over this view changes, we need this information in order to create a new
   // region for the HWND.
   PluginWindowMoves plugin_window_moves_;
@@ -617,6 +627,13 @@ class CONTENT_EXPORT RenderWidgetHostViewAura
 
   base::WeakPtrFactory<RenderWidgetHostViewAura> weak_ptr_factory_;
 
+  gfx::Rect disambiguation_target_rect_;
+
+  // The last scroll offset when we start to render the link disambiguation
+  // view, so we can ensure the window hasn't moved between copying from the
+  // compositing surface and showing the disambiguation popup.
+  gfx::Vector2dF disambiguation_scroll_offset_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAura);
 };