Add base:: to string16s in chrome/.

chrome/test/automation/tab_proxy.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 "chrome/test/automation/tab_proxy.h"
 
 #include <algorithm>
 
 #include "base/json/json_string_value_serializer.h"
 #include "base/logging.h"
@@ skipping 159 matching lines @@
                                        const std::wstring& jscript,
                                        std::wstring* string_value) {
   scoped_ptr<Value> root(ExecuteAndExtractValue(frame_xpath, jscript));
   if (root == NULL)
     return false;
 
   DCHECK(root->IsType(Value::TYPE_LIST));
   Value* value = NULL;
   bool succeeded = static_cast<ListValue*>(root.get())->Get(0, &value);
   if (succeeded) {
-    string16 read_value;
+    base::string16 read_value;
     succeeded = value->GetAsString(&read_value);
     if (succeeded) {
       // TODO(viettrungluu): remove conversion. (But should |jscript| be UTF-8?)
       *string_value = UTF16ToWideHack(read_value);
     }
   }
   return succeeded;
 }
 
 bool TabProxy::ExecuteAndExtractBool(const std::wstring& frame_xpath,
@@ skipping 173 matching lines @@
 
 TabProxy::~TabProxy() {}
 
 void TabProxy::FirstObjectAdded() {
   AddRef();
 }
 
 void TabProxy::LastObjectRemoved() {
   Release();
 }