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

content/browser/web_contents/web_contents_android.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/web_contents/web_contents_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
@@ skipping 136 matching lines @@
 }
 
 void WebContentsAndroid::ResumeResponseDeferredAtStart(JNIEnv* env,
                                                        jobject obj) {
   static_cast<WebContentsImpl*>(web_contents_)->ResumeResponseDeferredAtStart();
 }
 
 void WebContentsAndroid::SetHasPendingNavigationTransitionForTesting(
     JNIEnv* env,
     jobject obj) {
-  CommandLine::ForCurrentProcess()->AppendSwitch(
+  base::CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableExperimentalWebPlatformFeatures);
   RenderFrameHost* frame =
       static_cast<WebContentsImpl*>(web_contents_)->GetMainFrame();
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(
           &TransitionRequestManager::AddPendingTransitionRequestDataForTesting,
           base::Unretained(TransitionRequestManager::GetInstance()),
           frame->GetProcess()->GetID(),
@@ skipping 276 matching lines @@
   ScopedJavaGlobalRef<jobject> j_callback;
   j_callback.Reset(env, callback);
   content::RenderFrameHost::JavaScriptResultCallback js_callback =
       base::Bind(&JavaScriptResultCallback, j_callback);
 
   web_contents_->GetMainFrame()->ExecuteJavaScript(
       ConvertJavaStringToUTF16(env, script), js_callback);
 }
 
 }  // namespace content