Hide knowledge of webkit::ppapi::PluginDelegate from chrome. This is part of moving ppapi implement…

chrome/browser/ui/tab_contents/core_tab_helper.h

Index: chrome/browser/ui/tab_contents/core_tab_helper.h
===================================================================
--- chrome/browser/ui/tab_contents/core_tab_helper.h	(revision 212906)
+++ chrome/browser/ui/tab_contents/core_tab_helper.h	(working copy)
@@ -39,6 +39,8 @@
   // Set the time during close when the tab is no longer visible.
   void OnUnloadDetachedStarted();
 
+  void UpdateContentRestrictions(int content_restrictions);
+
   CoreTabHelperDelegate* delegate() const { return delegate_; }
   void set_delegate(CoreTabHelperDelegate* d) { delegate_ = d; }
 
@@ -47,12 +49,15 @@
   }
 
   base::TimeTicks new_tab_start_time() const { return new_tab_start_time_; }
+  int content_restrictions() const { return content_restrictions_; }
 
  private:
   explicit CoreTabHelper(content::WebContents* web_contents);
   friend class content::WebContentsUserData<CoreTabHelper>;
 
   // content::WebContentsObserver overrides:
+  virtual void DidStartLoading(
+      content::RenderViewHost* render_view_host) OVERRIDE;
   virtual void WasShown() OVERRIDE;
   virtual void WebContentsDestroyed(
       content::WebContents* web_contents) OVERRIDE;
@@ -75,6 +80,10 @@
   // The time when the tab was removed from view during close.
   base::TimeTicks unload_detached_start_time_;
 
+  // Content restrictions, used to disable print/copy etc based on content's
+  // (full-page plugins for now only) permissions.
+  int content_restrictions_;
+
   DISALLOW_COPY_AND_ASSIGN(CoreTabHelper);
 };