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

chrome/browser/ui/ash/accelerator_commands_browsertest.cc

Index: chrome/browser/ui/ash/accelerator_commands_browsertest.cc
diff --git a/chrome/browser/ui/ash/accelerator_commands_browsertest.cc b/chrome/browser/ui/ash/accelerator_commands_browsertest.cc
index a9caa84d9f21c4d6ba339316738c6c0998324dac..5d331945bdda580cbaa7e944491d07a660875da6 100644
--- a/chrome/browser/ui/ash/accelerator_commands_browsertest.cc
+++ b/chrome/browser/ui/ash/accelerator_commands_browsertest.cc
@@ -62,7 +62,8 @@ typedef InProcessBrowserTest AcceleratorCommandsBrowserTest;
 IN_PROC_BROWSER_TEST_F(AcceleratorCommandsBrowserTest, ToggleMaximized) {
 #if defined(OS_WIN)
   // Run the test on Win Ash only.
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif
 
@@ -128,7 +129,8 @@ IN_PROC_BROWSER_TEST_P(AcceleratorCommandsFullscreenBrowserTest,
                        ToggleFullscreen) {
 #if defined(OS_WIN)
   // Run the test on Win Ash only.
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif
 
@@ -266,7 +268,8 @@ IN_PROC_BROWSER_TEST_P(AcceleratorCommandsPlatformAppFullscreenBrowserTest,
                        ToggleFullscreen) {
 #if defined(OS_WIN)
   // Run the test on Win Ash only.
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif