build fix attempt

BUG=none

Review URL: https://codereview.chromium.org/11308333

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@170818 0039d316-1c4b-4281-b951-d872f2087c98

chrome_frame/test/net/fake_external_tab.cc

@@ -168,7 +168,7 @@ class FakeMainDelegate : public content::ContentMainDelegate {
 
 void FilterDisabledTests() {
   if (::testing::FLAGS_gtest_filter.length() &&
-      ::testing::FLAGS_gtest_filter.Compare("*") != 0) {
+      ::testing::FLAGS_gtest_filter != "*") {
     // Don't override user specified filters.
     return;
   }