Delegating the "are images allowed" decision to renderer.

chrome/common/render_messages.h

Index: chrome/common/render_messages.h
diff --git a/chrome/common/render_messages.h b/chrome/common/render_messages.h
index 7e09b6e5850b7cace20cfca8af3d54bb683871e2..9d5e71e24e4c75f44623ea45ab93ea4a6099ba2c 100644
--- a/chrome/common/render_messages.h
+++ b/chrome/common/render_messages.h
@@ -19,6 +19,8 @@
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/common/common_param_traits.h"
+#include "chrome/common/content_settings.h"
+#include "chrome/common/content_settings_pattern.h"
 #include "chrome/common/instant_types.h"
 #include "chrome/common/nacl_types.h"
 #include "chrome/common/search_provider.h"
@@ -149,6 +151,29 @@ IPC_STRUCT_TRAITS_BEGIN(WebKit::WebCache::UsageStats)
   IPC_STRUCT_TRAITS_MEMBER(deadSize)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(ContentSettingsPattern::PatternParts)
+  IPC_STRUCT_TRAITS_MEMBER(scheme)
+  IPC_STRUCT_TRAITS_MEMBER(is_scheme_wildcard)
+  IPC_STRUCT_TRAITS_MEMBER(host)
+  IPC_STRUCT_TRAITS_MEMBER(has_domain_wildcard)
+  IPC_STRUCT_TRAITS_MEMBER(port)
+  IPC_STRUCT_TRAITS_MEMBER(is_port_wildcard)
+  IPC_STRUCT_TRAITS_MEMBER(path)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(ContentSettingsPattern)
+  IPC_STRUCT_TRAITS_MEMBER(parts_)
+  IPC_STRUCT_TRAITS_MEMBER(is_valid_)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(ContentSettingPatternSource)
+  IPC_STRUCT_TRAITS_MEMBER(primary_pattern)
+  IPC_STRUCT_TRAITS_MEMBER(secondary_pattern)
+  IPC_STRUCT_TRAITS_MEMBER(setting)
+  IPC_STRUCT_TRAITS_MEMBER(source)
+  IPC_STRUCT_TRAITS_MEMBER(incognito)
+IPC_STRUCT_TRAITS_END()
+
 //-----------------------------------------------------------------------------
 // RenderView messages
 // These are messages sent from the browser to the renderer process.
@@ -216,6 +241,10 @@ IPC_MESSAGE_CONTROL2(ChromeViewMsg_SetContentSettingsForCurrentURL,
 IPC_MESSAGE_CONTROL1(ChromeViewMsg_SetDefaultContentSettings,
                      ContentSettings /* content_settings */)
 
+// Set the content settings for images.
+IPC_MESSAGE_CONTROL1(ChromeViewMsg_SetImageSettingRules,
+                     ContentSettingsForOneType /* rules */)
+
 // Tells the render view to load all blocked plugins.
 IPC_MESSAGE_ROUTED0(ChromeViewMsg_LoadBlockedPlugins)