Move WebDevToolsAgent{Delegate} into the WebKit API....

chrome/renderer/external_host_bindings.cc

 // Copyright (c) 2006-2008 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.
 
 #include "chrome/renderer/external_host_bindings.h"
 
 #include "base/values.h"
 #include "chrome/common/render_messages.h"
 #include "webkit/api/public/WebBindings.h"
+#include "webkit/api/public/WebFrame.h"
 
 using WebKit::WebBindings;
 
 ExternalHostBindings::ExternalHostBindings() : frame_(NULL) {
   BindMethod("postMessage", &ExternalHostBindings::postMessage);
   BindProperty("onmessage", &on_message_handler_);
 }
 
 void ExternalHostBindings::postMessage(
     const CppArgumentList& args, CppVariant* result) {
@@ skipping 151 matching lines @@
       DCHECK(success == false);
     } else {
       DCHECK(success != false);
       // Pass the ownership to the caller (don't call ReleaseVariantValue).
       *message_event = result.value.objectValue;
     }
   }
 
   return success;
 }