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

chrome/browser/extensions/api/tab_capture/tab_capture_apitest.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/basictypes.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "chrome/browser/extensions/extension_apitest.h"
@@ skipping 18 matching lines @@
 #endif
 
 namespace extensions {
 
 namespace {
 
 const char kExtensionId[] = "ddchlicdkolnonkihahngkmmmjnjlkkf";
 
 class TabCaptureApiTest : public ExtensionApiTest {
  public:
-  void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     ExtensionApiTest::SetUpCommandLine(command_line);
     // Specify smallish window size to make testing of tab capture less CPU
     // intensive.
     command_line->AppendSwitchASCII(::switches::kWindowSize, "300,300");
   }
 
   void AddExtensionToCommandLineWhitelist() {
-    CommandLine::ForCurrentProcess()->AppendSwitchASCII(
+    base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
         switches::kWhitelistedExtensionID, kExtensionId);
   }
 
  protected:
   void SimulateMouseClickInCurrentTab() {
     content::SimulateMouseClick(
         browser()->tab_strip_model()->GetActiveWebContents(),
         0,
         blink::WebMouseEvent::ButtonLeft);
   }
@@ skipping 17 matching lines @@
     // The tests are too slow to succeed with OSMesa on the bots.
     if (UsingOSMesa())
       return true;
 
 #if defined(NDEBUG)
     return false;
 #else
     // TODO(miu): Look into enabling these tests for the Debug build bots once
     // they prove to be stable again on the Release bots.
     // http://crbug.com/396413
-    return !CommandLine::ForCurrentProcess()->HasSwitch(
+    return !base::CommandLine::ForCurrentProcess()->HasSwitch(
         "run-tab-capture-api-pixel-tests");
 #endif
   }
 };
 
 // Tests API behaviors, including info queries, and constraints violations.
 IN_PROC_BROWSER_TEST_F(TabCaptureApiTest, ApiTests) {
   AddExtensionToCommandLineWhitelist();
   ASSERT_TRUE(RunExtensionSubtest("tab_capture", "api_tests.html")) << message_;
 }
@@ skipping 258 matching lines @@
       return;
     }
     content::RunMessageLoop();
   }
   browser()->tab_strip_model()->RemoveObserver(&observer);
 }
 
 }  // namespace
 
 }  // namespace extensions