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

components/precache/content/precache_manager_unittest.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 "components/precache/content/precache_manager.h"
 
 #include <list>
 #include <map>
 #include <set>
 #include <string>
@@ skipping 125 matching lines @@
  public:
   PrecacheManagerTest()
       : precache_manager_(&browser_context_),
         factory_(NULL, base::Bind(&TestURLFetcherCallback::CreateURLFetcher,
                                   base::Unretained(&url_callback_))) {}
 
  protected:
   void SetUp() override {
     base::StatisticsRecorder::Initialize();
 
-    CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+    base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
         switches::kPrecacheConfigSettingsURL, kConfigURL);
-    CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+    base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
         switches::kPrecacheManifestURLPrefix, kManifestURLPrefix);
 
     // Make the fetch of the precache configuration settings fail. Precaching
     // should still complete normally in this case.
     factory_.SetFakeResponse(GURL(kConfigURL), "",
                              net::HTTP_INTERNAL_SERVER_ERROR,
                              net::URLRequestStatus::FAILED);
   }
 
   content::TestBrowserThreadBundle test_browser_thread_bundle_;
@@ skipping 190 matching lines @@
       kCurrentTime, 1000, true);
   expected_histogram_count_map["Precache.Saved"] += 2;
 
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_EQ(expected_histogram_count_map, GetHistogramCountMap());
 }
 
 }  // namespace
 
 }  // namespace precache