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

chrome/browser/extensions/api/cast_streaming/performance_test.cc

 // Copyright 2014 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 <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
@@ skipping 274 matching lines @@
     : public ExtensionApiTest,
       public testing::WithParamInterface<int> {
  public:
   CastV2PerformanceTest() {}
 
   bool HasFlag(TestFlags flag) const {
     return (GetParam() & flag) == flag;
   }
 
   bool IsGpuAvailable() const {
-    return CommandLine::ForCurrentProcess()->HasSwitch("enable-gpu");
+    return base::CommandLine::ForCurrentProcess()->HasSwitch("enable-gpu");
   }
 
   std::string GetSuffixForTestFlags() {
     std::string suffix;
     if (HasFlag(kUseGpu))
       suffix += "_gpu";
     if (HasFlag(kDisableVsync))
       suffix += "_novsync";
     if (HasFlag(kSmallWindow))
       suffix += "_small";
@@ skipping 41 matching lines @@
     net::IPEndPoint endpoint;
     CHECK_EQ(net::OK, receive_socket->GetLocalAddress(&endpoint));
     return endpoint;
   }
 
   void SetUp() override {
     EnablePixelOutput();
     ExtensionApiTest::SetUp();
   }
 
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     // Some of the tests may launch http requests through JSON or AJAX
     // which causes a security error (cross domain request) when the page
     // is loaded from the local file system ( file:// ). The following switch
     // fixes that error.
     command_line->AppendSwitch(switches::kAllowFileAccessFromFiles);
 
     if (HasFlag(kSmallWindow)) {
       command_line->AppendSwitchASCII(switches::kWindowSize, "800,600");
     } else {
       command_line->AppendSwitchASCII(switches::kWindowSize, "2000,1500");
@@ skipping 298 matching lines @@
     CastV2PerformanceTest,
     testing::Values(
         kUseGpu | k24fps,
         kUseGpu | k30fps,
         kUseGpu | k60fps,
         kUseGpu | k24fps | kDisableVsync,
         kUseGpu | k30fps | kProxyWifi,
         kUseGpu | k30fps | kProxyBad,
         kUseGpu | k30fps | kSlowClock,
         kUseGpu | k30fps | kFastClock));