Use default CSP for resource loading in webview (instead of platform app's CSP)

apps/shell/browser/shell_extensions_browser_client.cc

 // Copyright 2013 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 "apps/shell/browser/shell_extensions_browser_client.h"
 
 #include "apps/shell/browser/shell_app_sorting.h"
 #include "apps/shell/browser/shell_app_window_api.h"
 #include "apps/shell/browser/shell_extension_system_factory.h"
 #include "apps/shell/browser/shell_extension_web_contents_observer.h"
@@ skipping 132 matching lines @@
     content::BrowserContext* context) const {
   return false;
 }
 
 bool ShellExtensionsBrowserClient::CanExtensionCrossIncognito(
     const extensions::Extension* extension,
     content::BrowserContext* context) const {
   return false;
 }
 
+bool ShellExtensionsBrowserClient::IsWebViewRequest(
+    net::URLRequest* request) const {
+  return false;
+}
+
 net::URLRequestJob*
 ShellExtensionsBrowserClient::MaybeCreateResourceBundleRequestJob(
     net::URLRequest* request,
     net::NetworkDelegate* network_delegate,
     const base::FilePath& directory_path,
     const std::string& content_security_policy,
     bool send_cors_header) {
   return NULL;
 }
 
@@ skipping 61 matching lines @@
 
   // TODO(rockot): Remove dependency on src/chrome once we have some core APIs
   // moved out. Also clean up the comment below. See http://crbug.com/349042.
   extensions::api::GeneratedFunctionRegistry::RegisterAll(registry);
 
   // Register our simplified implementation for chrome.app.window.create().
   registry->RegisterFunction<ShellAppWindowCreateFunction>();
 }
 
 }  // namespace extensions