Restrict CM API interface request and message dispatch.

content/public/browser/content_browser_client.cc

 // 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.
 
 #include "content/public/browser/content_browser_client.h"
 
 #include <utility>
 
 #include "base/files/file_path.h"
 #include "base/guid.h"
@@ skipping 372 matching lines @@
     BrowserContext* browser_context,
     const GURL& url) {
   return false;
 }
 
 std::string ContentBrowserClient::GetServiceUserIdForBrowserContext(
     BrowserContext* browser_context) {
   return base::GenerateGUID();
 }
 
+bool ContentBrowserClient::BindAssociatedInterfaceRequestFromFrame(
+    RenderFrameHost* render_frame_host,
+    const std::string& interface_name,
+    mojo::ScopedInterfaceEndpointHandle* handle) {
+  return false;
+}
+
 ControllerPresentationServiceDelegate*
 ContentBrowserClient::GetControllerPresentationServiceDelegate(
     WebContents* web_contents) {
   return nullptr;
 }
 
 ReceiverPresentationServiceDelegate*
 ContentBrowserClient::GetReceiverPresentationServiceDelegate(
     WebContents* web_contents) {
   return nullptr;
@@ skipping 57 matching lines @@
   return nullptr;
 }
 
 std::vector<std::unique_ptr<URLLoaderThrottle>>
 ContentBrowserClient::CreateURLLoaderThrottles(
     const base::Callback<WebContents*()>& wc_getter) {
   return std::vector<std::unique_ptr<URLLoaderThrottle>>();
 }
 
 }  // namespace content