Expose PageImportanceSignals via WebContents

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 624 matching lines @@
                         OnDidDisplayInsecureContent)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidRunInsecureContent,
                         OnDidRunInsecureContent)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GoToEntryAtOffset, OnGoToEntryAtOffset)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateZoomLimits, OnUpdateZoomLimits)
     IPC_MESSAGE_HANDLER(ViewHostMsg_EnumerateDirectory, OnEnumerateDirectory)
     IPC_MESSAGE_HANDLER(FrameHostMsg_RegisterProtocolHandler,
                         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)
 #if defined(ENABLE_PLUGINS)
     IPC_MESSAGE_HANDLER(FrameHostMsg_PepperInstanceCreated,
                         OnPepperInstanceCreated)
     IPC_MESSAGE_HANDLER(FrameHostMsg_PepperInstanceDeleted,
                         OnPepperInstanceDeleted)
     IPC_MESSAGE_HANDLER(FrameHostMsg_PepperPluginHung, OnPepperPluginHung)
     IPC_MESSAGE_HANDLER(FrameHostMsg_PluginCrashed, OnPluginCrashed)
@@ skipping 249 matching lines @@
 #if defined(OS_WIN)
 void WebContentsImpl::SetParentNativeViewAccessible(
 gfx::NativeViewAccessible accessible_parent) {
   accessible_parent_ = accessible_parent;
   RenderFrameHostImpl* rfh = GetMainFrame();
   if (rfh)
     rfh->SetParentNativeViewAccessible(accessible_parent);
 }
 #endif
 
+const PageImportanceSignals* WebContentsImpl::GetPageImportanceSignals() const {

[kinuko, 2015/09/24 00:26:22]

nit: maybe could be a const ref if this can't be non-null

[kouhei (in TOK), 2015/09/24 01:13:46]

Done.

+  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.
   NavigationEntry* entry = controller_.GetTransientEntry();
   std::string accept_languages =
       GetContentClient()->browser()->GetAcceptLangs(
           GetBrowserContext());
   if (entry) {
     return entry->GetTitleForDisplay(accept_languages);
   }
@@ skipping 2235 matching lines @@
     return;
 
   ChildProcessSecurityPolicyImpl* policy =
       ChildProcessSecurityPolicyImpl::GetInstance();
   if (policy->IsPseudoScheme(protocol))
     return;
 
   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,
                                   int active_match_ordinal,
                                   bool final_update) {
   if (delegate_) {
     delegate_->FindReply(this, request_id, number_of_matches, selection_rect,
                          active_match_ordinal, final_update);
   }
 }
@@ skipping 1456 matching lines @@
   return NULL;
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
 }  // namespace content