Delegating the "are images allowed" decision to renderer.

chrome/renderer/chrome_render_process_observer.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.
 
 #include "chrome/renderer/chrome_render_process_observer.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/metrics/field_trial.h"
@@ skipping 234 matching lines @@
   std::string error;
   base::LoadNativeLibrary(FilePath(L"crypt32.dll"), &error);
 #endif
 
   // Note that under Linux, the media library will normally already have
   // been initialized by the Zygote before this instance became a Renderer.
   FilePath media_path;
   PathService::Get(chrome::DIR_MEDIA_LIBS, &media_path);
   if (!media_path.empty())
     media::InitializeMediaLibrary(media_path);
+
+  client_->SetImageSettingRules(&image_setting_rules_);
 }
 
 ChromeRenderProcessObserver::~ChromeRenderProcessObserver() {
 }
 
 bool ChromeRenderProcessObserver::OnControlMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ChromeRenderProcessObserver, message)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetIsIncognitoProcess,
                         OnSetIsIncognitoProcess)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetDefaultContentSettings,
                         OnSetDefaultContentSettings)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetContentSettingsForCurrentURL,
                         OnSetContentSettingsForCurrentURL)
+    IPC_MESSAGE_HANDLER(ChromeViewMsg_SetImageSettingRules,
+                        OnSetImageSettingRules)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetCacheCapacities, OnSetCacheCapacities)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_ClearCache, OnClearCache)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetFieldTrialGroup, OnSetFieldTrialGroup)
 #if defined(USE_TCMALLOC)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_GetRendererTcmalloc,
                         OnGetRendererTcmalloc)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetTcmallocHeapProfiling,
                         OnSetTcmallocHeapProfiling)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_WriteTcmallocHeapProfile,
                         OnWriteTcmallocHeapProfile)
@@ skipping 21 matching lines @@
     const ContentSettings& content_settings) {
   RenderViewContentSettingsSetter setter(url, content_settings);
   content::RenderView::ForEach(&setter);
 }
 
 void ChromeRenderProcessObserver::OnSetDefaultContentSettings(
     const ContentSettings& content_settings) {
   ContentSettingsObserver::SetDefaultContentSettings(content_settings);
 }
 
+void ChromeRenderProcessObserver::OnSetImageSettingRules(
+    const ContentSettingsForOneType& settings) {
+  image_setting_rules_ = settings;
+}
+
 void ChromeRenderProcessObserver::OnSetCacheCapacities(size_t min_dead_capacity,
                                                        size_t max_dead_capacity,
                                                        size_t capacity) {
   WebCache::setCapacities(
       min_dead_capacity, max_dead_capacity, capacity);
 }
 
 void ChromeRenderProcessObserver::OnClearCache(bool on_navigation) {
   if (on_navigation) {
     clear_cache_pending_ = true;
@@ skipping 94 matching lines @@
   if (client_)
     client_->OnPurgeMemory();
 }
 
 void ChromeRenderProcessObserver::ExecutePendingClearCache() {
   if (clear_cache_pending_) {
     clear_cache_pending_ = false;
     WebCache::clear();
   }
 }