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

ui/gl/gpu_switching_manager.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 "ui/gl/gpu_switching_manager.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "ui/gl/gl_switches.h"
 
@@ skipping 55 matching lines @@
 #if defined(OS_MACOSX)
     // Create a pixel format that lasts the lifespan of Chrome, so Chrome
     // stays on the discrete GPU.
     SwitchToDiscreteGpuMac();
 #endif  // OS_MACOSX
   }
 }
 
 bool GpuSwitchingManager::SupportsDualGpus() {
   if (!supports_dual_gpus_set_) {
-    const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+    const base::CommandLine& command_line =
+        *base::CommandLine::ForCurrentProcess();
     bool flag = false;
     if (command_line.HasSwitch(switches::kSupportsDualGpus)) {
       // GPU process, flag is passed down from browser process.
       std::string flag_string = command_line.GetSwitchValueASCII(
           switches::kSupportsDualGpus);
       if (flag_string == "true") {
         flag = true;
       } else if (flag_string == "false") {
         flag = false;
       } else {
@@ skipping 48 matching lines @@
     return;
   CGLPixelFormatAttribute attribs[1];
   attribs[0] = static_cast<CGLPixelFormatAttribute>(0);
   GLint num_pixel_formats = 0;
   CGLChoosePixelFormat(attribs, &platform_specific_->discrete_pixel_format,
                        &num_pixel_formats);
 }
 #endif  // OS_MACOSX
 
 }  // namespace ui