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 380213abcb8e9a0d67df5d2f27d421c1a7a860f8..56ce06f56e1183fb5ae89b9f2a8e7dc208b0f4a1 100644
--- a/chrome/renderer/chrome_render_process_observer.cc
+++ b/chrome/renderer/chrome_render_process_observer.cc
@@ -405,6 +405,8 @@ bool ChromeRenderProcessObserver::OnControlMessageReceived(
                         OnSetDefaultContentSettings)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetContentSettingsForCurrentURL,
                         OnSetContentSettingsForCurrentURL)
+    IPC_MESSAGE_HANDLER(ChromeViewMsg_SetImageSettings,
+                        OnSetImageSettings)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetCacheCapacities, OnSetCacheCapacities)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_ClearCache, OnClearCache)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetFieldTrialGroup, OnSetFieldTrialGroup)
@@ -446,6 +448,11 @@ void ChromeRenderProcessObserver::OnSetDefaultContentSettings(
   ContentSettingsObserver::SetDefaultContentSettings(content_settings);
 }
 
+void ChromeRenderProcessObserver::OnSetImageSettings(
+    const ContentSettingRules& rules) {
+  ContentSettingsObserver::SetImageSettingRules(rules);
+}
+
 void ChromeRenderProcessObserver::OnSetCacheCapacities(size_t min_dead_capacity,
                                                        size_t max_dead_capacity,
                                                        size_t capacity) {