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

chrome/browser/sync/backup_rollback_controller_unittest.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 "chrome/browser/sync/backup_rollback_controller.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 69 matching lines @@
   base::MessageLoop loop_;
 };
 
 TEST_F(BackupRollbackControllerTest, StartBackup) {
   EXPECT_TRUE(controller_->StartBackup());
   PumpLoop();
   EXPECT_TRUE(backup_started_);
 }
 
 TEST_F(BackupRollbackControllerTest, NoBackupIfDisabled) {
-  CommandLine::ForCurrentProcess()->AppendSwitch(
-        switches::kSyncDisableBackup);
+  base::CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kSyncDisableBackup);
 
   base::RunLoop run_loop;
   EXPECT_FALSE(controller_->StartBackup());
   loop_.PostTask(FROM_HERE, run_loop.QuitClosure());
   run_loop.Run();
   EXPECT_FALSE(backup_started_);
 }
 
 TEST_F(BackupRollbackControllerTest, StartRollback) {
   fake_prefs_.SetRemainingRollbackTries(1);
@@ skipping 21 matching lines @@
   EXPECT_EQ(0, fake_prefs_.GetRemainingRollbackTries());
 
   PumpLoop();
   EXPECT_FALSE(backup_started_);
   EXPECT_FALSE(rollback_started_);
 }
 
 TEST_F(BackupRollbackControllerTest, NoRollbackIfDisabled) {
   fake_prefs_.SetRemainingRollbackTries(1);
 
-  CommandLine::ForCurrentProcess()->AppendSwitch(
-        switches::kSyncDisableRollback);
+  base::CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kSyncDisableRollback);
   EXPECT_FALSE(controller_->StartRollback());
   EXPECT_EQ(0, fake_prefs_.GetRemainingRollbackTries());
 
   PumpLoop();
   EXPECT_FALSE(rollback_started_);
 }
 
 #endif
 
 }  // anonymous namespace