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

content/renderer/input/input_handler_proxy.cc

 // Copyright 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 "content/renderer/input/input_handler_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
@@ skipping 172 matching lines @@
       gesture_scroll_on_impl_thread_(false),
       gesture_pinch_on_impl_thread_(false),
       fling_may_be_active_on_main_thread_(false),
       disallow_horizontal_fling_scroll_(false),
       disallow_vertical_fling_scroll_(false),
       has_fling_animation_started_(false),
       uma_latency_reporting_enabled_(
           base::TimeTicks::IsHighResNowFastAndReliable()) {
   DCHECK(client);
   input_handler_->BindToClient(this);
-  smooth_scroll_enabled_ = CommandLine::ForCurrentProcess()->HasSwitch(
+  smooth_scroll_enabled_ = base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableSmoothScrolling);
 
 #if defined(OS_MACOSX)
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableThreadedEventHandlingMac)) {
     scroll_elasticity_controller_.reset(new InputScrollElasticityController(
         input_handler_->CreateScrollElasticityHelper()));
   }
 #endif
 }
 
 InputHandlerProxy::~InputHandlerProxy() {}
 
 void InputHandlerProxy::WillShutdown() {
@@ skipping 713 matching lines @@
   // trigger a scroll, e.g., with a trivial time delta between fling updates.
   // Return true in this case to prevent early fling termination.
   if (std::abs(clipped_increment.width) < kScrollEpsilon &&
       std::abs(clipped_increment.height) < kScrollEpsilon)
     return true;
 
   return did_scroll;
 }
 
 }  // namespace content