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

chrome/browser/autocomplete/search_provider_unittest.cc

 // Copyright 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 "components/omnibox/search_provider.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 1141 matching lines @@
       TemplateURLServiceFactory::GetForProfile(&profile_);
 
   TemplateURLData data;
   data.short_name = ASCIIToUTF16("default");
   data.SetKeyword(data.short_name);
   data.SetURL("{google:baseURL}{searchTerms}");
   default_t_url_ = new TemplateURL(data);
   turl_model->Add(default_t_url_);
   turl_model->SetUserSelectedDefaultSearchProvider(default_t_url_);
 
-  CommandLine::ForCurrentProcess()->AppendSwitchASCII(switches::kGoogleBaseURL,
-                                                      "http://www.bar.com/");
-  CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+  base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+      switches::kGoogleBaseURL, "http://www.bar.com/");
+  base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
       switches::kExtraSearchQueryParams, "a=b");
 
   TestData cases[] = {
     { ASCIIToUTF16("k a"), 2,
       { ResultInfo(GURL("http://keyword/a"),
                    AutocompleteMatchType::SEARCH_OTHER_ENGINE,
                    true,
                    ASCIIToUTF16("k a")),
         ResultInfo(GURL("http://www.bar.com/k%20a?a=b"),
                    AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
@@ skipping 2143 matching lines @@
   EXPECT_EQ(2U, verbatim.duplicate_matches.size());
 
   // Other match duplicates are added in descending relevance order.
   EXPECT_EQ(1U, match_alpha.duplicate_matches.size());
   EXPECT_EQ(1U, match_avid.duplicate_matches.size());
 
   EXPECT_EQ(0U, match_apricot.duplicate_matches.size());
 }
 
 TEST_F(SearchProviderTest, SuggestQueryUsesToken) {
-  CommandLine::ForCurrentProcess()->AppendSwitch(
+  base::CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableAnswersInSuggest);
 
   TemplateURLService* turl_model =
       TemplateURLServiceFactory::GetForProfile(&profile_);
 
   TemplateURLData data;
   data.short_name = ASCIIToUTF16("default");
   data.SetKeyword(data.short_name);
   data.SetURL("http://example/{searchTerms}{google:sessionToken}");
   data.suggestions_url =
@@ skipping 125 matching lines @@
   EXPECT_TRUE(matches[2].answer_contents.empty());
   EXPECT_TRUE(matches[2].answer_type.empty());
   EXPECT_FALSE(matches[2].answer);
   EXPECT_TRUE(matches[3].answer_contents.empty());
   EXPECT_TRUE(matches[3].answer_type.empty());
   EXPECT_FALSE(matches[3].answer);
   EXPECT_TRUE(matches[4].answer_contents.empty());
   EXPECT_TRUE(matches[4].answer_type.empty());
   EXPECT_FALSE(matches[4].answer);
 }