Expose PageImportanceSignals via WebContents

content/public/browser/web_contents.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 40 matching lines @@
 class PageState;
 class RenderFrameHost;
 class RenderProcessHost;
 class RenderViewHost;
 class RenderWidgetHostView;
 class SiteInstance;
 class WebContentsDelegate;
 struct CustomContextMenuContext;
 struct DropData;
 struct Manifest;
+struct PageImportanceSignals;
 struct RendererPreferences;
 
 // WebContents is the core class in content/. A WebContents renders web content
 // (usually HTML) in a rectangular area.
 //
 // Instantiating one is simple:
 //   scoped_ptr<content::WebContents> web_contents(
 //       content::WebContents::Create(
 //           content::WebContents::CreateParams(browser_context)));
 //   gfx::NativeView view = web_contents->GetNativeView();
@@ skipping 200 matching lines @@
 
   // Returns true only if complete accessibility mode is on, meaning there's
   // both renderer accessibility, and a native browser accessibility tree.
   virtual bool IsFullAccessibilityModeForTesting() const = 0;
 
 #if defined(OS_WIN)
   virtual void SetParentNativeViewAccessible(
       gfx::NativeViewAccessible accessible_parent) = 0;
 #endif
 
+  virtual const PageImportanceSignals& GetPageImportanceSignals() const = 0;

[noyau (Ping after 24h), 2015/09/28 15:36:10]

Please add comments to methods in interfaces: We have an iOS subclass for this
and on first glance I have no idea what this method is supposed to do.

+
   // Tab navigation state ------------------------------------------------------
 
   // Returns the current navigation properties, which if a navigation is
   // pending may be provisional (e.g., the navigation could result in a
   // download, in which case the URL would revert to what it was previously).
   virtual const base::string16& GetTitle() const = 0;
 
   // The max page ID for any page that the current SiteInstance has loaded in
   // this WebContents.  Page IDs are specific to a given SiteInstance and
   // WebContents, corresponding to a specific RenderView in the renderer.
@@ skipping 400 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class WebContentsImpl;
   WebContents() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_