Do not run MSE related tests when MSE is not available.

content/browser/media/media_source_browsertest.cc

Index: content/browser/media/media_source_browsertest.cc
diff --git a/content/browser/media/media_source_browsertest.cc b/content/browser/media/media_source_browsertest.cc
index bd119ddff07710c6c1ff2a2fc75d7933b56c3260..f8d24a9864ee2331e3355c98c6831f8d0b5a205a 100644
--- a/content/browser/media/media_source_browsertest.cc
+++ b/content/browser/media/media_source_browsertest.cc
@@ -5,6 +5,7 @@
 #include "base/command_line.h"
 #include "content/browser/media/media_browsertest.h"
 #include "content/public/common/content_switches.h"
+#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 
 // Common media types.
 static const char kWebMAudioOnly[] = "audio/webm; codecs=\"vorbis\"";
@@ -17,6 +18,13 @@ class MediaSourceTest : public content::MediaBrowserTest {
  public:
   void TestSimplePlayback(const char* media_file, const char* media_type,
                           const char* expectation) {
+    // TODO(xhwang): Update this to check for unprefixed MSE API when
+    // http://crbug.com/307107 is fixed.
+    if (!WebKit::WebRuntimeFeatures::isWebKitMediaSourceEnabled()) {
+      LOG(INFO) << "Could not run test - prefixed MSE not supported.";
+      return;
+    }
+
     std::vector<StringPair> query_params;
     query_params.push_back(std::make_pair("mediafile", media_file));
     query_params.push_back(std::make_pair("mediatype", media_type));
@@ -51,6 +59,12 @@ IN_PROC_BROWSER_TEST_F(MediaSourceTest, Playback_Type_Error) {
 // Flaky test crbug.com/246308
 // Test changed to skip checks resulting in flakiness. Proper fix still needed.
 IN_PROC_BROWSER_TEST_F(MediaSourceTest, ConfigChangeVideo) {
+  // TODO(xhwang): Update this to check for unprefixed MSE API when
+  // http://crbug.com/307107 is fixed.
+  if (!WebKit::WebRuntimeFeatures::isWebKitMediaSourceEnabled()) {
+    LOG(INFO) << "Could not run test - prefixed MSE not supported.";
+    return;
+  }
   RunMediaTestPage("mse_config_change.html", NULL, kEnded, true);
 }