Move sandbox code in content to content namespace.

chrome/test/base/chrome_test_launcher.cc

Index: chrome/test/base/chrome_test_launcher.cc
===================================================================
--- chrome/test/base/chrome_test_launcher.cc	(revision 163460)
+++ chrome/test/base/chrome_test_launcher.cc	(working copy)
@@ -33,7 +33,7 @@
 
 const char kEmptyTestName[] = "InProcessBrowserTest.Empty";
 
-class ChromeTestLauncherDelegate : public test_launcher::TestLauncherDelegate {
+class ChromeTestLauncherDelegate : public content::TestLauncherDelegate {
  public:
   ChromeTestLauncherDelegate() {}
   virtual ~ChromeTestLauncherDelegate() {}
@@ -113,5 +113,5 @@
   chrome_browser_application_mac::RegisterBrowserCrApp();
 #endif
   ChromeTestLauncherDelegate launcher_delegate;
-  return test_launcher::LaunchTests(&launcher_delegate, argc, argv);
+  return content::LaunchTests(&launcher_delegate, argc, argv);
 }