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

chrome/browser/ui/tab_contents/core_tab_helper.cc

Index: chrome/browser/ui/tab_contents/core_tab_helper.cc
===================================================================
--- chrome/browser/ui/tab_contents/core_tab_helper.cc	(revision 212906)
+++ chrome/browser/ui/tab_contents/core_tab_helper.cc	(working copy)
@@ -7,6 +7,9 @@
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "chrome/browser/renderer_host/web_cache_manager.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_command_controller.h"
+#include "chrome/browser/ui/browser_finder.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
@@ -21,7 +24,8 @@
 
 CoreTabHelper::CoreTabHelper(WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
-      delegate_(NULL) {
+      delegate_(NULL),
+      content_restrictions_(0) {
 }
 
 CoreTabHelper::~CoreTabHelper() {
@@ -110,9 +114,24 @@
     unload_detached_start_time_ = base::TimeTicks::Now();
 }
 
+void CoreTabHelper::UpdateContentRestrictions(int content_restrictions) {
+  content_restrictions_ = content_restrictions;
+#if !defined(OS_ANDROID)
+  Browser* browser = chrome::FindBrowserWithWebContents(web_contents());
+  if (!browser)
+    return;
+
+  browser->command_controller()->ContentRestrictionsChanged();
+#endif
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // WebContentsObserver overrides
 
+void CoreTabHelper::DidStartLoading(content::RenderViewHost* render_view_host) {
+  UpdateContentRestrictions(0);
+}
+
 void CoreTabHelper::WasShown() {
   WebCacheManager::GetInstance()->ObserveActivity(
       web_contents()->GetRenderProcessHost()->GetID());