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

chrome/browser/prefs/pref_service_browsertest.cc

Index: chrome/browser/prefs/pref_service_browsertest.cc
diff --git a/chrome/browser/prefs/pref_service_browsertest.cc b/chrome/browser/prefs/pref_service_browsertest.cc
index c8134beeae99af6f2adf89de7357d53351cd315c..36e575806bbfcbf85a2e36d57d7e1285eaeff67e 100644
--- a/chrome/browser/prefs/pref_service_browsertest.cc
+++ b/chrome/browser/prefs/pref_service_browsertest.cc
@@ -40,7 +40,8 @@ IN_PROC_BROWSER_TEST_F(PreservedWindowPlacement, PRE_Test) {
 IN_PROC_BROWSER_TEST_F(PreservedWindowPlacement, MAYBE_Test) {
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif
 
@@ -114,7 +115,8 @@ class PreservedWindowPlacementIsLoaded : public PreferenceServiceTest {
 IN_PROC_BROWSER_TEST_F(PreservedWindowPlacementIsLoaded, Test) {
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif
 
@@ -174,7 +176,8 @@ class PreservedWindowPlacementIsMigrated : public PreferenceServiceTest {
 IN_PROC_BROWSER_TEST_F(PreservedWindowPlacementIsMigrated, Test) {
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kAshBrowserTests))
     return;
 #endif