Add enableReferrers and enableHyperlinkAuditing to contentSettings.misc API.

chrome/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2011 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 267 matching lines @@
 
 BrowserRenderProcessHost::BrowserRenderProcessHost(Profile* profile)
     : RenderProcessHost(profile),
       visible_widgets_(0),
       backgrounded_(true),
       ALLOW_THIS_IN_INITIALIZER_LIST(cached_dibs_cleaner_(
             base::TimeDelta::FromSeconds(5),
             this, &BrowserRenderProcessHost::ClearTransportDIBCache)),
       accessibility_enabled_(false),
       extension_process_(false),
+      resource_message_filter_(NULL),
       callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
   widget_helper_ = new RenderWidgetHelper();
 
   registrar_.Add(this, NotificationType::USER_SCRIPTS_UPDATED,
                  Source<Profile>(profile->GetOriginalProfile()));
   registrar_.Add(this, NotificationType::EXTENSION_LOADED,
                  Source<Profile>(profile->GetOriginalProfile()));
   registrar_.Add(this, NotificationType::EXTENSION_UNLOADED,
                  Source<Profile>(profile->GetOriginalProfile()));
   registrar_.Add(this, NotificationType::SPELLCHECK_HOST_REINITIALIZED,
@@ skipping 55 matching lines @@
   // for the view host which may not be sure in some cases
   if (channel_.get())
     return true;
 
   accessibility_enabled_ = is_accessibility_enabled;
 
   // It is possible for an extension process to be reused for non-extension
   // content, e.g. if an extension calls window.open.
   extension_process_ = extension_process_ || is_extensions_process;
 
+  pref_change_registrar_.Init(profile()->GetPrefs());
+
   // run the IPC channel on the shared IO thread.
   base::Thread* io_thread = g_browser_process->io_thread();
 
   CommandLine::StringType renderer_prefix;
 #if defined(OS_POSIX)
   // A command prefix is something prepended to the command line of the spawned
   // process. It is supported only on POSIX systems.
   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
   renderer_prefix =
       browser_command_line.GetSwitchValueNative(switches::kRendererCmdPrefix);
@@ skipping 81 matching lines @@
   channel_->AddFilter(render_message_filter);
 
   channel_->AddFilter(new ChromeRenderMessageFilter(
       id(),
       profile(),
       profile()->GetRequestContextForPossibleApp(installed_app_)));
 
   scoped_refptr<RendererURLRequestContextOverride> url_request_context_override(
       new RendererURLRequestContextOverride(profile(), installed_app_));
 
-  ResourceMessageFilter* resource_message_filter = new ResourceMessageFilter(
+  resource_message_filter_ = new ResourceMessageFilter(
       id(), ChildProcessInfo::RENDER_PROCESS,
       g_browser_process->resource_dispatcher_host());
-  resource_message_filter->set_url_request_context_override(
+  resource_message_filter_->set_url_request_context_override(
       url_request_context_override);
-  channel_->AddFilter(resource_message_filter);
-
+  pref_change_registrar_.Add(prefs::kEnableReferrers, this);
+  UpdateReferrersEnabled();
+  channel_->AddFilter(resource_message_filter_);
   channel_->AddFilter(new AudioRendererHost());
   channel_->AddFilter(
       new AppCacheDispatcherHost(profile()->GetRequestContext(), id()));
   channel_->AddFilter(new ClipboardMessageFilter());
   channel_->AddFilter(new DOMStorageMessageFilter(id(), profile()));
   channel_->AddFilter(new IndexedDBDispatcherHost(id(), profile()));
   channel_->AddFilter(
       GeolocationDispatcherHost::New(
           id(), profile()->GetGeolocationPermissionContext()));
   channel_->AddFilter(new GpuMessageFilter(id()));
@@ skipping 608 matching lines @@
   while (!iter.IsAtEnd()) {
     iter.GetCurrentValue()->OnMessageReceived(
         ViewHostMsg_RenderViewGone(iter.GetCurrentKey(),
                                    static_cast<int>(status),
                                    exit_code));
     iter.Advance();
   }
 
   ClearTransportDIBCache();
 
+  pref_change_registrar_.RemoveAll();
+
   // this object is not deleted at this point and may be reused later.
   // TODO(darin): clean this up
 }
 
 void BrowserRenderProcessHost::OnUpdatedCacheStats(
     const WebCache::UsageStats& stats) {
   WebCacheManager::GetInstance()->ObserveStats(id(), stats);
 }
 
 void BrowserRenderProcessHost::SuddenTerminationChanged(bool enabled) {
@@ skipping 53 matching lines @@
           reinterpret_cast<const Source<SpellCheckHost>*>(&source)->
           ptr()->GetLastAddedFile());
       break;
     }
     case NotificationType::SPELLCHECK_AUTOSPELL_TOGGLED: {
       PrefService* prefs = profile()->GetPrefs();
       EnableAutoSpellCorrect(
           prefs->GetBoolean(prefs::kEnableAutoSpellCorrect));
       break;
     }
+    case NotificationType::PREF_CHANGED: {
+      std::string* pref = Details<std::string>(details).ptr();
+      if (*pref == prefs::kEnableReferrers) {
+        UpdateReferrersEnabled();
+      } else {
+        NOTREACHED();
+      }
+      break;
+    }
     default: {
       NOTREACHED();
       break;
     }
   }
 }
 
 void BrowserRenderProcessHost::OnProcessLaunched() {
   if (child_process_.get())
     child_process_->SetProcessBackgrounded(backgrounded_);
@@ skipping 129 matching lines @@
     IPC::PlatformFileForTransit file;
 #if defined(OS_POSIX)
     file = base::FileDescriptor(model_file, false);
 #elif defined(OS_WIN)
     ::DuplicateHandle(::GetCurrentProcess(), model_file, GetHandle(), &file, 0,
                       false, DUPLICATE_SAME_ACCESS);
 #endif
     Send(new SafeBrowsingMsg_SetPhishingModel(file));
   }
 }
+
+void BrowserRenderProcessHost::UpdateReferrersEnabled() {
+  DCHECK(resource_message_filter_);
+  resource_message_filter_->set_referrers_enabled(
+      profile()->GetPrefs()->GetBoolean(prefs::kEnableReferrers));
+}