Expose PageImportanceSignals via WebContents

content/public/browser/web_contents.h

Index: content/public/browser/web_contents.h
diff --git a/content/public/browser/web_contents.h b/content/public/browser/web_contents.h
index 47decf4c6ea90c6e5f2cc716adf666cc9073014b..08c5ba9b8f2f01c84cede287381a1c8f718d165b 100644
--- a/content/public/browser/web_contents.h
+++ b/content/public/browser/web_contents.h
@@ -58,6 +58,7 @@ class WebContentsDelegate;
 struct CustomContextMenuContext;
 struct DropData;
 struct Manifest;
+struct PageImportanceSignals;
 struct RendererPreferences;
 
 // WebContents is the core class in content/. A WebContents renders web content
@@ -278,6 +279,8 @@ class WebContents : public PageNavigator,
       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