Adds link disambiguation popup support to Windows.

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index ad9fffb58881488ee7895c078cb31e83bcbbfc2d..9154254bc785133a716d4cf4e1a6df37e94ff676 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -1213,6 +1213,13 @@ gfx::GLSurfaceHandle RenderWidgetHostViewAura::GetCompositingSurface() {
   return ImageTransportFactory::GetInstance()->GetSharedSurfaceHandle();
 }
 
+#if defined(OS_WIN)
+void RenderWidgetHostViewAura::ShowDisambiguationPopup(
+    const gfx::Rect& target_rect, const SkBitmap& zoomed_bitmap) {
+  OnLinkDisambiguationPopupRequested(target_rect, zoomed_bitmap);
+}
+#endif
+
 bool RenderWidgetHostViewAura::LockMouse() {
   aura::Window* root_window = window_->GetRootWindow();
   if (!root_window)
@@ -1676,6 +1683,15 @@ bool RenderWidgetHostViewAura::HasHitTestMask() const {
 void RenderWidgetHostViewAura::GetHitTestMask(gfx::Path* mask) const {
 }
 
+void RenderWidgetHostViewAura::OnLinkDisambiguationPopupRequested(
+    const gfx::Rect& target_rect, const SkBitmap& zoomed_bitmap) {
+  if (window_->parent()->delegate()) {
+    window_->parent()->delegate()->OnLinkDisambiguationPopupRequested(
+        target_rect, zoomed_bitmap);
+  }
+}
+
+
 ////////////////////////////////////////////////////////////////////////////////
 // RenderWidgetHostViewAura, ui::EventHandler implementation: