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

content/browser/frame_host/render_frame_host_manager_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 <set>
 
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
 #include "base/memory/ref_counted.h"
 #include "base/path_service.h"
@@ skipping 1411 matching lines @@
   GURL webui_url2(webui_url.spec() + "#foo");
   NavigateToURL(shell(), webui_url2);
   EXPECT_EQ(webui, web_contents->GetRenderManagerForTesting()->web_ui());
   EXPECT_FALSE(web_contents->GetRenderManagerForTesting()->pending_web_ui());
 }
 
 class RFHMProcessPerTabTest : public RenderFrameHostManagerTest {
  public:
   RFHMProcessPerTabTest() {}
 
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kProcessPerTab);
   }
 };
 
 // Test that we still swap processes for BrowsingInstance changes even in
 // --process-per-tab mode.  See http://crbug.com/343017.
 // Disabled on Android: http://crbug.com/345873.
 // Crashes under ThreadSanitizer, http://crbug.com/356758.
 #if defined(OS_ANDROID) || defined(THREAD_SANITIZER)
 #define MAYBE_BackFromWebUI DISABLED_BackFromWebUI
@@ skipping 68 matching lines @@
   EXPECT_EQ(BINDINGS_POLICY_WEB_UI,
       new_web_contents->GetRenderViewHost()->GetEnabledBindings());
 }
 
 // crbug.com/424526
 // The test loads a WebUI page in rocess-per-tab mode, then navigates to a blank
 // page and then to a regular page. The bug reproduces if blank page is visited
 // in between WebUI and regular page.
 IN_PROC_BROWSER_TEST_F(RenderFrameHostManagerTest,
                        ForceSwapAfterWebUIBindings) {
-  CommandLine::ForCurrentProcess()->AppendSwitch(switches::kProcessPerTab);
+  base::CommandLine::ForCurrentProcess()->AppendSwitch(
+      switches::kProcessPerTab);
   ASSERT_TRUE(test_server()->Start());
 
   const GURL web_ui_url(std::string(kChromeUIScheme) + "://" +
                         std::string(kChromeUIGpuHost));
   NavigateToURL(shell(), web_ui_url);
   EXPECT_TRUE(ChildProcessSecurityPolicyImpl::GetInstance()->HasWebUIBindings(
       shell()->web_contents()->GetRenderProcessHost()->GetID()));
 
   NavigateToURL(shell(), GURL(url::kAboutBlankURL));
 
@@ skipping 131 matching lines @@
   back_nav_load_observer.Wait();
   EXPECT_NE(process_id,
             shell()->web_contents()->GetRenderProcessHost()->GetID());
 
   // Ensure that the file access still exists in the new process ID.
   EXPECT_TRUE(ChildProcessSecurityPolicyImpl::GetInstance()->CanReadFile(
       shell()->web_contents()->GetRenderProcessHost()->GetID(), file));
 }
 
 }  // namespace content