Expose PageImportanceSignals via WebContents

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 895431535bd0cd2974629812888521e24045455c..e1e3449a00f9c429f755d42757e2421792b3614b 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -642,6 +642,8 @@ bool WebContentsImpl::OnMessageReceived(RenderViewHost* render_view_host,
                         OnRegisterProtocolHandler)
     IPC_MESSAGE_HANDLER(FrameHostMsg_UnregisterProtocolHandler,
                         OnUnregisterProtocolHandler)
+    IPC_MESSAGE_HANDLER(FrameHostMsg_UpdatePageImportanceSignals,
+                        OnUpdatePageImportanceSignals)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Find_Reply, OnFindReply)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AppCacheAccessed, OnAppCacheAccessed)
     IPC_MESSAGE_HANDLER(ViewHostMsg_WebUISend, OnWebUISend)
@@ -911,6 +913,10 @@ gfx::NativeViewAccessible accessible_parent) {
 }
 #endif
 
+const PageImportanceSignals& WebContentsImpl::GetPageImportanceSignals() const {
+  return page_importance_signals_;
+}
+
 const base::string16& WebContentsImpl::GetTitle() const {
   // Transient entries take precedence. They are used for interstitial pages
   // that are shown on top of existing pages.
@@ -3172,6 +3178,11 @@ void WebContentsImpl::OnUnregisterProtocolHandler(const std::string& protocol,
   delegate_->UnregisterProtocolHandler(this, protocol, url, user_gesture);
 }
 
+void WebContentsImpl::OnUpdatePageImportanceSignals(
+    const PageImportanceSignals& signals) {
+  page_importance_signals_ = signals;
+}
+
 void WebContentsImpl::OnFindReply(int request_id,
                                   int number_of_matches,
                                   const gfx::Rect& selection_rect,