Delegating the "are images allowed" decision to renderer.

chrome/common/render_messages.h

 // 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.
 
 // Multiply-included file, no traditional include guard.
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 67 matching lines @@
 #endif  // defined(OS_POSIX)
 
 template <>
 struct ParamTraits<ContentSettings> {
   typedef ContentSettings param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, void** iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
+template <>
+struct ParamTraits<ContentSettingsPattern> {
+  typedef ContentSettingsPattern param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_RENDER_MESSAGES_H_
 
 #define IPC_MESSAGE_START ChromeMsgStart
 
 IPC_ENUM_TRAITS(InstantCompleteBehavior)
 IPC_ENUM_TRAITS(search_provider::OSDDType)
 IPC_ENUM_TRAITS(search_provider::InstallState)
 IPC_ENUM_TRAITS(TranslateErrors::Type)
@@ skipping 88 matching lines @@
 IPC_MESSAGE_CONTROL2(ChromeViewMsg_SetContentSettingsForCurrentURL,
                      GURL /* url */,
                      ContentSettings /* content_settings */)
 
 // Set the content settings for a particular url that the renderer is in the
 // process of loading.  This will be stored, to be used if the load commits
 // and ignored otherwise.
 IPC_MESSAGE_CONTROL1(ChromeViewMsg_SetDefaultContentSettings,
                      ContentSettings /* content_settings */)
 
+IPC_MESSAGE_CONTROL1(ChromeViewMsg_SetImageSettings,
+                     ContentSettingRules /* rules */)
+
 // Tells the render view to load all blocked plugins.
 IPC_MESSAGE_ROUTED0(ChromeViewMsg_LoadBlockedPlugins)
 
 // Asks the renderer to send back stats on the WebCore cache broken down by
 // resource types.
 IPC_MESSAGE_CONTROL0(ChromeViewMsg_GetCacheResourceStats)
 
 // Asks the renderer to send back Histograms.
 IPC_MESSAGE_CONTROL1(ChromeViewMsg_GetRendererHistograms,
                      int /* sequence number of Renderer Histograms. */)
@@ skipping 350 matching lines @@
 // previous SetCookie message to be processed.
 IPC_SYNC_MESSAGE_ROUTED2_1(ChromeViewHostMsg_GetCookies,
                            GURL /* url */,
                            GURL /* first_party_for_cookies */,
                            std::string /* cookies */)
 
 // Provide the browser process with current renderer framerate.
 IPC_MESSAGE_CONTROL2(ChromeViewHostMsg_FPS,
                      int /* routing id */,
                      float /* frames per second */)