Update some uses of UTF conversions in chrome/browser to use the base:: namespace.

chrome/browser/ui/browser_browsertest.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 <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
@@ skipping 75 matching lines @@
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "chrome/browser/ui/cocoa/run_loop_testing.h"
 #endif
 
 #if defined(OS_WIN)
 #include "base/i18n/rtl.h"
 #include "chrome/browser/browser_process.h"
 #endif
 
+using base::ASCIIToUTF16;
 using content::InterstitialPage;
 using content::HostZoomMap;
 using content::NavigationController;
 using content::NavigationEntry;
 using content::OpenURLParams;
 using content::Referrer;
 using content::WebContents;
 using content::WebContentsObserver;
 using extensions::Extension;
 
@@ skipping 2449 matching lines @@
   exp_commit_size.Enlarge(wcv_resize_insets.width(),
                           wcv_resize_insets.height() + height_inset);
   EXPECT_EQ(exp_commit_size, rwhv_commit_size2);
   EXPECT_EQ(exp_commit_size, wcv_commit_size2);
   // Sizes of RenderWidgetHostView and WebContentsView before and after
   // WebContentsDelegate::DidNavigateMainFramePostCommit should be the same.
   EXPECT_EQ(rwhv_commit_size2,
             web_contents->GetRenderWidgetHostView()->GetViewBounds().size());
   EXPECT_EQ(wcv_commit_size2, web_contents->GetView()->GetContainerSize());
 }