Change most uses of Pickle to base::Pickle

extensions/browser/user_script_loader.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/browser/user_script_loader.h"
 
 #include <set>
 #include <string>
 
 #include "base/version.h"
@@ skipping 257 matching lines @@
 
   clear_scripts_ = false;
   added_scripts_.clear();
   removed_scripts_.clear();
   user_scripts_.reset();
 }
 
 // static
 scoped_ptr<base::SharedMemory> UserScriptLoader::Serialize(
     const UserScriptList& scripts) {
-  Pickle pickle;
+  base::Pickle pickle;
   pickle.WriteSizeT(scripts.size());
   for (const UserScript& script : scripts) {
     // TODO(aa): This can be replaced by sending content script metadata to
     // renderers along with other extension data in ExtensionMsg_Loaded.
     // See crbug.com/70516.
     script.Pickle(&pickle);
     // Write scripts as 'data' so that we can read it out in the slave without
     // allocating a new string.
     for (const UserScript::File& script_file : script.js_scripts()) {
       base::StringPiece contents = script_file.GetContent();
@@ skipping 108 matching lines @@
   if (!shared_memory->ShareToProcess(handle, &handle_for_process))
     return;  // This can legitimately fail if the renderer asserts at startup.
 
   if (base::SharedMemory::IsHandleValid(handle_for_process)) {
     process->Send(new ExtensionMsg_UpdateUserScripts(
         handle_for_process, host_id(), changed_hosts, whitelisted_only));
   }
 }
 
 }  // namespace extensions