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

content/browser/frame_host/render_frame_host_impl.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/browser/frame_host/render_frame_host_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
@@ skipping 989 matching lines @@
 
 void RenderFrameHostImpl::OnUpdateEncoding(const std::string& encoding_name) {
   // This message is only sent for top-level frames. TODO(avi): when frame tree
   // mirroring works correctly, add a check here to enforce it.
   delegate_->UpdateEncoding(this, encoding_name);
 }
 
 void RenderFrameHostImpl::OnBeginNavigation(
     const FrameHostMsg_BeginNavigation_Params& params,
     const CommonNavigationParams& common_params) {
-  CHECK(CommandLine::ForCurrentProcess()->HasSwitch(
+  CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableBrowserSideNavigation));
   frame_tree_node()->navigator()->OnBeginNavigation(
       frame_tree_node(), params, common_params);
 }
 
 void RenderFrameHostImpl::OnAccessibilityEvents(
     const std::vector<AccessibilityHostMsg_EventParams>& params,
     int reset_token) {
   // Don't process this IPC if either we're waiting on a reset and this
   // IPC doesn't have the matching token ID, or if we're not waiting on a
@@ skipping 587 matching lines @@
 void RenderFrameHostImpl::DidUseGeolocationPermission() {
   RenderFrameHost* top_frame = frame_tree_node()->frame_tree()->GetMainFrame();
   GetContentClient()->browser()->RegisterPermissionUsage(
       PERMISSION_GEOLOCATION,
       delegate_->GetAsWebContents(),
       GetLastCommittedURL().GetOrigin(),
       top_frame->GetLastCommittedURL().GetOrigin());
 }
 
 }  // namespace content