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

chrome/browser/apps/guest_view/web_view_browsertest.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 "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/chrome_content_browser_client.h"
 #include "chrome/browser/prerender/prerender_link_manager.h"
@@ skipping 306 matching lines @@
     extensions::PlatformAppBrowserTest::SetUpOnMainThread();
     const testing::TestInfo* const test_info =
         testing::UnitTest::GetInstance()->current_test_info();
     // Mock out geolocation for geolocation specific tests.
     if (!strncmp(test_info->name(), "GeolocationAPI",
             strlen("GeolocationAPI"))) {
       ui_test_utils::OverrideGeolocation(10, 20);
     }
   }
 
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kUseFakeDeviceForMediaStream);
     command_line->AppendSwitchASCII(switches::kJavaScriptFlags, "--expose-gc");
 
     extensions::PlatformAppBrowserTest::SetUpCommandLine(command_line);
   }
 
   // This method is responsible for initializing a packaged app, which contains
   // multiple webview tags. The tags have different partition identifiers and
   // their WebContent objects are returned as output. The method also verifies
   // the expected process allocation and storage partition assignment.
@@ skipping 398 matching lines @@
       fake_speech_recognition_manager_;
 
   extensions::TestGuestViewManagerFactory factory_;
   // Note that these are only set if you launch app using LoadAppWithGuest().
   content::WebContents* guest_web_contents_;
   content::WebContents* embedder_web_contents_;
 };
 
 class WebViewDPITest : public WebViewTest {
  protected:
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     WebViewTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII(switches::kForceDeviceScaleFactor,
                                     base::StringPrintf("%f", scale()));
   }
 
   static float scale() { return 2.0f; }
 };
 
 // This test verifies that hiding the guest triggers WebContents::WasHidden().
 IN_PROC_BROWSER_TEST_F(WebViewTest, GuestVisibilityChanged) {
@@ skipping 1530 matching lines @@
       LoadExtension(
           test_data_dir_.AppendASCII(
               "platform_apps/web_view/extension_api/content_settings"));
   ASSERT_TRUE(content_settings_extension);
   TestHelper("testPostMessageCommChannel", "web_view/shim", NO_TEST_SERVER);
 }
 
 #if defined(ENABLE_PLUGINS)
 class WebViewPluginTest : public WebViewTest {
  protected:
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     WebViewTest::SetUpCommandLine(command_line);
 
     // Append the switch to register the pepper plugin.
     // library name = <out dir>/<test_name>.<library_extension>
     // MIME type = application/x-ppapi-<test_name>
     base::FilePath plugin_lib = GetPluginPath();
     EXPECT_TRUE(base::PathExists(plugin_lib));
     base::FilePath::StringType pepper_plugin = plugin_lib.value();
     pepper_plugin.append(FILE_PATH_LITERAL(";application/x-ppapi-tests"));
     command_line->AppendSwitchNative(switches::kRegisterPepperPlugins,
@@ skipping 141 matching lines @@
 // http://crbug.com/403325
 #define MAYBE_WebViewInBackgroundPage \
     DISABLED_WebViewInBackgroundPage
 #else
 #define MAYBE_WebViewInBackgroundPage WebViewInBackgroundPage
 #endif
 IN_PROC_BROWSER_TEST_F(WebViewTest, MAYBE_WebViewInBackgroundPage) {
   ASSERT_TRUE(RunExtensionTest("platform_apps/web_view/background"))
       << message_;
 }