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

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.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 "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 
 #include "third_party/khronos/GLES2/gl2.h"
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES 1
 #endif
@@ skipping 260 matching lines @@
       mem_limits_.min_transfer_buffer_size,
       mem_limits_.max_transfer_buffer_size,
       mem_limits_.mapped_memory_reclaim_limit)) {
     LOG(ERROR) << "Failed to initialize GLES2Implementation.";
     return false;
   }
 
   if (add_to_share_group)
     share_group_->AddContextLocked(this);
 
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kEnableGpuClientTracing)) {
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableGpuClientTracing)) {
     trace_gl_.reset(new gpu::gles2::GLES2TraceImplementation(GetGLInterface()));
     setGLInterface(trace_gl_.get());
   }
   return true;
 }
 
 bool WebGraphicsContext3DCommandBufferImpl::InitializeOnCurrentThread() {
   if (!MaybeInitializeGL()) {
     DLOG(ERROR) << "Failed to initialize context.";
     return false;
@@ skipping 118 matching lines @@
   share_group_->RemoveAllContexts();
 
   DCHECK(host_.get());
   {
     base::AutoLock lock(g_default_share_groups_lock.Get());
     g_default_share_groups.Get().erase(host_.get());
   }
 }
 
 }  // namespace content