Delegating the "are images allowed" decision to renderer.

chrome/renderer/chrome_render_process_observer.cc

Index: chrome/renderer/chrome_render_process_observer.cc
diff --git a/chrome/renderer/chrome_render_process_observer.cc b/chrome/renderer/chrome_render_process_observer.cc
index b642d61ae1fbdea65803124fee2b8b3ba9ebb8f5..41e6f97ad61d27b668315732f56ecbb8ccefdf0d 100644
--- a/chrome/renderer/chrome_render_process_observer.cc
+++ b/chrome/renderer/chrome_render_process_observer.cc
@@ -267,6 +267,8 @@ bool ChromeRenderProcessObserver::OnControlMessageReceived(
                         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)
@@ -308,6 +310,11 @@ void ChromeRenderProcessObserver::OnSetDefaultContentSettings(
   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) {
@@ -422,3 +429,8 @@ void ChromeRenderProcessObserver::ExecutePendingClearCache() {
     WebCache::clear();
   }
 }
+
+const ContentSettingsForOneType*
+ChromeRenderProcessObserver::image_setting_rules() const {
+  return &image_setting_rules_;
+}