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

chrome/browser/ui/tab_contents/core_tab_helper.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 "chrome/browser/ui/tab_contents/core_tab_helper.h"
 
 #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"
 #include "content/public/browser/web_contents.h"
 #include "net/base/load_states.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::WebContents;
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(CoreTabHelper);
 
 CoreTabHelper::CoreTabHelper(WebContents* web_contents)
     : content::WebContentsObserver(web_contents),
-      delegate_(NULL) {
+      delegate_(NULL),
+      content_restrictions_(0) {
 }
 
 CoreTabHelper::~CoreTabHelper() {
 }
 
 string16 CoreTabHelper::GetDefaultTitle() {
   return l10n_util::GetStringUTF16(IDS_DEFAULT_TAB_TITLE);
 }
 
 string16 CoreTabHelper::GetStatusText() const {
@@ skipping 68 matching lines @@
 
 void CoreTabHelper::OnUnloadStarted() {
   before_unload_end_time_ = base::TimeTicks::Now();
 }
 
 void CoreTabHelper::OnUnloadDetachedStarted() {
   if (unload_detached_start_time_.is_null())
     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());
 }
 
 void CoreTabHelper::WebContentsDestroyed(WebContents* web_contents) {
   // OnCloseStarted isn't called in unit tests.
   if (!close_start_time_.is_null()) {
     bool fast_tab_close_enabled = CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kEnableFastUnload);
@@ skipping 23 matching lines @@
 
 }
 
 void CoreTabHelper::BeforeUnloadFired(const base::TimeTicks& proceed_time) {
   before_unload_end_time_ = proceed_time;
 }
 
 void CoreTabHelper::BeforeUnloadDialogCancelled() {
   OnCloseCanceled();
 }