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

content/browser/indexed_db/indexed_db_browsertest.cc

 // Copyright (c) 2012 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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 244 matching lines @@
 };
 
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestWithLowQuota, QuotaTest) {
   SimpleTest(GetTestUrl("indexeddb", "quota_test.html"));
 }
 
 class IndexedDBBrowserTestWithGCExposed : public IndexedDBBrowserTest {
  public:
   IndexedDBBrowserTestWithGCExposed() {}
 
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitchASCII(switches::kJavaScriptFlags, "--expose-gc");
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(IndexedDBBrowserTestWithGCExposed);
 };
 
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestWithGCExposed,
                        DatabaseCallbacksTest) {
   SimpleTest(GetTestUrl("indexeddb", "database_callbacks_first.html"));
@@ skipping 454 matching lines @@
                  GURL("file:///")));
 
   base::string16 expected_title16(ASCIIToUTF16("connection closed"));
   TitleWatcher title_watcher(shell()->web_contents(), expected_title16);
   title_watcher.AlsoWaitForTitle(ASCIIToUTF16("connection closed with error"));
   EXPECT_EQ(expected_title16, title_watcher.WaitAndGetTitle());
 }
 
 class IndexedDBBrowserTestSingleProcess : public IndexedDBBrowserTest {
  public:
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kSingleProcess);
   }
 };
 
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestSingleProcess,
                        RenderThreadShutdownTest) {
   SimpleTest(GetTestUrl("indexeddb", "shutdown_with_requests.html"));
 }
 
 }  // namespace content