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

ui/keyboard/keyboard_controller.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 "ui/keyboard/keyboard_controller.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 114 matching lines @@
   gfx::Rect bounds_;
   keyboard::KeyboardControllerProxy* proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyboardWindowDelegate);
 };
 
 void ToggleTouchEventLogging(bool enable) {
 #if defined(OS_CHROMEOS)
   if (!base::SysInfo::IsRunningOnChromeOS())
     return;
-  CommandLine command(
+  base::CommandLine command(
       base::FilePath("/opt/google/touchscreen/toggle_touch_event_logging"));
   if (enable)
     command.AppendArg("1");
   else
     command.AppendArg("0");
   VLOG(1) << "Running " << command.GetCommandLineString();
   base::LaunchOptions options;
   options.wait = true;
   base::LaunchProcess(command, options, NULL);
 #endif
@@ skipping 418 matching lines @@
   proxy_->HideKeyboardContainer(container_.get());
 }
 
 void KeyboardController::AddBoundsChangedObserver(aura::Window* window) {
   aura::Window* target_window = window ? window->GetToplevelWindow() : nullptr;
   if (target_window)
     window_bounds_observer_->AddObservedWindow(target_window);
 }
 
 }  // namespace keyboard