Disabling chrome frame net tests on IE9 as they are flaky.

chrome_frame/test/net/fake_external_tab.cc

Index: chrome_frame/test/net/fake_external_tab.cc
===================================================================
--- chrome_frame/test/net/fake_external_tab.cc	(revision 109912)
+++ chrome_frame/test/net/fake_external_tab.cc	(working copy)
@@ -587,6 +587,16 @@
 }
 
 int main(int argc, char** argv) {
+  if (chrome_frame_test::GetInstalledIEVersion() >= IE_9) {
+    // Adding this here as the command line and the logging stuff gets
+    // initialized in the NetTestSuite constructor. Did not want to break that.
+    base::AtExitManager at_exit_manager;
+    CommandLine::Init(argc, argv);
+    CFUrlRequestUnittestRunner::InitializeLogging();
+    LOG(INFO) << "Not running ChromeFrame net tests on IE9+";
+    return 0;
+  }
+
   google_breakpad::scoped_ptr<google_breakpad::ExceptionHandler> breakpad(
       InitializeCrashReporting(HEADLESS));