Move CommandLine to base namespace.

chrome/browser/first_run/first_run.h

Index: chrome/browser/first_run/first_run.h
diff --git a/chrome/browser/first_run/first_run.h b/chrome/browser/first_run/first_run.h
index 6932b3a7fae9320a90d3c8570508121921b651b1..f9683fa5fe1ee94f18e47caa031c5710fb03c701 100644
--- a/chrome/browser/first_run/first_run.h
+++ b/chrome/browser/first_run/first_run.h
@@ -10,11 +10,11 @@
 
 #include "base/basictypes.h"
 
-class CommandLine;
 class GURL;
 class Profile;
 
 namespace base {
+class CommandLine;
 class FilePath;
 }
 
@@ -88,7 +88,7 @@ bool IsChromeFirstRun();
 
 // Returns true if |command_line|'s switches explicitly specify that first run
 // should be suppressed in the current run.
-bool IsFirstRunSuppressed(const CommandLine& command_line);
+bool IsFirstRunSuppressed(const base::CommandLine& command_line);
 
 // Creates the first run sentinel if needed. This should only be called after
 // the process singleton has been grabbed by the current process