Move ContextMenu show/hide state tracking to WebContents

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index 2eb11eabb52c7048c0543d2f0544ef29028b7c2f..c821b5ee8854161faa095d10854a79782d9e6b97 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -452,6 +452,8 @@ class CONTENT_EXPORT WebContentsImpl
   void SetIsOverlayContent(bool is_overlay_content) override;
   bool IsFocusedElementEditable() override;
   void ClearFocusedElement() override;
+  bool IsShowingContextMenu() const override;
+  void SetShowingContextMenu(bool showing) override;
 
 #if defined(OS_ANDROID)
   base::android::ScopedJavaLocalRef<jobject> GetJavaWebContents() override;
@@ -710,6 +712,7 @@ class CONTENT_EXPORT WebContentsImpl
   bool AddDomainInfoToRapporSample(rappor::Sample* sample) override;
   void FocusedNodeTouched(bool editable) override;
   void DidReceiveCompositorFrame() override;
+  bool IsShowingContextMenuOnPage() const override;
 
   // RenderFrameHostManager::Delegate ------------------------------------------
 
@@ -1587,6 +1590,8 @@ class CONTENT_EXPORT WebContentsImpl
   // Whether this WebContents is for content overlay.
   bool is_overlay_content_;
 
+  bool showing_context_menu_;
+
   int currently_playing_video_count_ = 0;
 
   bool has_persistent_video_ = false;