Adds link disambiguation popup support to Windows.

ash/display/cursor_window_controller.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/display/cursor_window_controller.h"
 
 #include "ash/display/display_controller.h"
 #include "ash/display/mirror_window_controller.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
@@ skipping 39 matching lines @@
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
     canvas->DrawImageInt(cursor_image_, 0, 0);
   }
   virtual void OnDeviceScaleFactorChanged(
       float device_scale_factor) OVERRIDE {}
   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {}
   virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE {}
   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE {}
   virtual bool HasHitTestMask() const OVERRIDE { return false; }
   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE {}
+  virtual void OnLinkDisambiguationPopupRequested(
+      const gfx::Rect& target_rect, const SkBitmap& zommed_bitmap) OVERRIDE {}
 
   // Sets cursor compositing mode on/off.
   void SetCursorCompositingEnabled(bool enabled) {
     is_cursor_compositing_enabled_ = enabled;
   }
 
   // Sets the cursor image for the |display|'s scale factor.
   void SetCursorImage(const gfx::ImageSkia& image,
                       const gfx::Display& display) {
     float scale_factor = display.device_scale_factor();
@@ skipping 188 matching lines @@
   delegate_->SetCursorImage(rotated, display_);
   if (cursor_window_) {
     cursor_window_->SetBounds(gfx::Rect(delegate_->size()));
     cursor_window_->SchedulePaintInRect(
         gfx::Rect(cursor_window_->bounds().size()));
     UpdateLocation();
   }
 }
 
 }  // namespace ash