ContentSettings API should not interact with <webview>

chrome/common/render_messages.h

 // Copyright (c) 2012 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 258 matching lines @@
 // For WebUI testing, this message stores parameters to do ScriptEvalRequest at
 // a time which is late enough to not be thrown out, and early enough to be
 // before onload events are fired.
 IPC_MESSAGE_ROUTED4(ChromeViewMsg_WebUIJavaScript,
                     string16,  /* frame_xpath */
                     string16,  /* jscript_url */
                     int,  /* ID */
                     bool  /* If true, result is sent back. */)
 
 // Set the content setting rules stored by the renderer.
-IPC_MESSAGE_CONTROL1(ChromeViewMsg_SetContentSettingRules,
-                     RendererContentSettingRules /* rules */)
+IPC_MESSAGE_ROUTED1(ChromeViewMsg_SetContentSettingRules,
+                    RendererContentSettingRules /* rules */)
 
 // Tells the render view to load all blocked plugins with the given identifier.
 IPC_MESSAGE_ROUTED1(ChromeViewMsg_LoadBlockedPlugins,
                     std::string /* identifier */)
 
 // Asks the renderer to send back stats on the WebCore cache broken down by
 // resource types.
 IPC_MESSAGE_CONTROL0(ChromeViewMsg_GetCacheResourceStats)
 
 // Tells the renderer to create a FieldTrial, and by using a 100% probability
@@ skipping 478 matching lines @@
                      std::vector<GURL> /* search_urls */,
                      GURL /* new_tab_page_url */)
 
 // Tells listeners that a detailed message was reported to the console by
 // WebKit.
 IPC_MESSAGE_ROUTED4(ChromeViewHostMsg_DetailedConsoleMessageAdded,
                     string16 /* message */,
                     string16 /* source */,
                     extensions::StackTrace /* stack trace */,
                     int32 /* severity level */)