Make callers of CommandLine use it via the base:: namespace.

chrome/browser/chromeos/extensions/wallpaper_private_api.cc

 // Copyright (c) 2013 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/browser/chromeos/extensions/wallpaper_private_api.h"
 
 #include <vector>
 
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/shell.h"
@@ skipping 44 matching lines @@
     wallpaper_private::GetOfflineWallpaperList;
 
 namespace {
 
 #if defined(GOOGLE_CHROME_BUILD)
 const char kWallpaperManifestBaseURL[] =
     "https://storage.googleapis.com/chromeos-wallpaper-public/manifest_";
 #endif
 
 bool IsOEMDefaultWallpaper() {
-  return CommandLine::ForCurrentProcess()->HasSwitch(
+  return base::CommandLine::ForCurrentProcess()->HasSwitch(
       chromeos::switches::kDefaultWallpaperIsOem);
 }
 
 // Saves |data| as |file_name| to directory with |key|. Return false if the
 // directory can not be found/created or failed to write file.
 bool SaveData(int key, const std::string& file_name, const std::string& data) {
   base::FilePath data_dir;
   CHECK(PathService::Get(key, &data_dir));
   if (!base::DirectoryExists(data_dir) &&
       !base::CreateDirectory(data_dir)) {
@@ skipping 656 matching lines @@
   } else {
     if (!IsOEMDefaultWallpaper()) {
       SetError("No OEM wallpaper.");
       SendResponse(false);
       return false;
     }
 
     // TODO(bshe): Small resolution wallpaper is used here as wallpaper
     // thumbnail. We should either resize it or include a wallpaper thumbnail in
     // addition to large and small wallpaper resolutions.
-    thumbnail_path = CommandLine::ForCurrentProcess()->GetSwitchValuePath(
+    thumbnail_path = base::CommandLine::ForCurrentProcess()->GetSwitchValuePath(
         chromeos::switches::kDefaultWallpaperSmall);
   }
 
   sequence_token_ = BrowserThread::GetBlockingPool()->GetNamedSequenceToken(
       wallpaper::kWallpaperSequenceTokenName);
   scoped_refptr<base::SequencedTaskRunner> task_runner =
       BrowserThread::GetBlockingPool()->
           GetSequencedTaskRunnerWithShutdownBehavior(sequence_token_,
               base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN);
 
@@ skipping 141 matching lines @@
                  this, file_list));
 }
 
 void WallpaperPrivateGetOfflineWallpaperListFunction::OnComplete(
     const std::vector<std::string>& file_list) {
   base::ListValue* results = new base::ListValue();
   results->AppendStrings(file_list);
   SetResult(results);
   SendResponse(true);
 }