Implement <webview>.addContentScript/removeContentScript API [1]

extensions/renderer/user_script_set_manager.cc

 // Copyright 2014 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 "extensions/renderer/user_script_set_manager.h"
 
 #include "components/crx_file/id_util.h"
 #include "content/public/renderer/render_thread.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/renderer/dispatcher.h"
 #include "extensions/renderer/script_injection.h"
 #include "extensions/renderer/user_script_set.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_message_macros.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 
 namespace extensions {
 
 UserScriptSetManager::UserScriptSetManager(const ExtensionSet* extensions)
-    : static_scripts_(extensions), extensions_(extensions) {
+    : static_scripts_(extensions),
+      extensions_(extensions) {
   content::RenderThread::Get()->AddObserver(this);
 }
 
 UserScriptSetManager::~UserScriptSetManager() {
 }
 
 void UserScriptSetManager::AddObserver(Observer* observer) {
   observers_.AddObserver(observer);
 }
 
@@ skipping 117 matching lines @@
 
   if (scripts->UpdateUserScripts(shared_memory, *effective_hosts)) {
     FOR_EACH_OBSERVER(
         Observer,
         observers_,
         OnUserScriptsUpdated(*effective_hosts, scripts->scripts()));
   }
 }
 
 }  // namespace extensions