Add base:: qualification to some CommandLine references in content.

content/common/gpu/client/gl_helper_unittest.cc

Index: content/common/gpu/client/gl_helper_unittest.cc
diff --git a/content/common/gpu/client/gl_helper_unittest.cc b/content/common/gpu/client/gl_helper_unittest.cc
index f2a148e03ab82bf6d7487ff53457918489e366e7..e22c3f7966bc6eaa19b1c7af6078d4deb8d3f726 100644
--- a/content/common/gpu/client/gl_helper_unittest.cc
+++ b/content/common/gpu/client/gl_helper_unittest.cc
@@ -1698,7 +1698,7 @@ TEST_F(GLHelperTest, CheckOptimizations) {
 // These tests needs to run against a proper GL environment, so we
 // need to set it up before we can run the tests.
 int main(int argc, char** argv) {
-  CommandLine::Init(argc, argv);
+  base::CommandLine::Init(argc, argv);
   base::TestSuite* suite = new content::ContentTestSuite(argc, argv);
 #if defined(OS_MACOSX)
   base::mac::ScopedNSAutoreleasePool pool;