Adds link disambiguation popup support to Windows.

content/browser/web_contents/aura/image_window_delegate.cc

Index: content/browser/web_contents/aura/image_window_delegate.cc
diff --git a/content/browser/web_contents/aura/image_window_delegate.cc b/content/browser/web_contents/aura/image_window_delegate.cc
index 0b40c0f090569e899350d13df54827fd2f9e2f7f..e132d4c8d5c76856514f10390d1d4bdc03d499fd 100644
--- a/content/browser/web_contents/aura/image_window_delegate.cc
+++ b/content/browser/web_contents/aura/image_window_delegate.cc
@@ -94,4 +94,8 @@ bool ImageWindowDelegate::HasHitTestMask() const {
 void ImageWindowDelegate::GetHitTestMask(gfx::Path* mask) const {
 }
 
+void ImageWindowDelegate::OnLinkDisambiguationPopupRequested(
+    const gfx::Rect& target_rect, const SkBitmap& zoomed_bitmap) {
+}
+
 }  // namespace content