Browser Plugin: Only install BrowserPluginMessageFilter if render process supports BrowserPlugin.

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 "base/files/file_path.h"
 #include "googleurl/src/gurl.h"
 #include "ui/gfx/image/image_skia.h"
 
@@ skipping 228 matching lines @@
 
 std::string ContentBrowserClient::GetDefaultDownloadName() {
   return std::string();
 }
 
 BrowserPpapiHost*
     ContentBrowserClient::GetExternalBrowserPpapiHost(int plugin_process_id) {
   return NULL;
 }
 
+bool ContentBrowserClient::SupportsBrowserPlugin(
+    BrowserContext* browser_context, const GURL& site_url) {
+  return false;
+}
+
 bool ContentBrowserClient::AllowPepperSocketAPI(
     BrowserContext* browser_context,
     const GURL& url,
     const SocketPermissionRequest& params) {
   return false;
 }
 
 base::FilePath ContentBrowserClient::GetHyphenDictionaryDirectory() {
   return base::FilePath();
 }
@@ skipping 10 matching lines @@
 #endif
 
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ContentBrowserClient::GetCryptoPasswordDelegate(const GURL& url) {
   return NULL;
 }
 #endif
 
 }  // namespace content