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

content/browser/media/encrypted_media_browsertest.cc

Index: content/browser/media/encrypted_media_browsertest.cc
diff --git a/content/browser/media/encrypted_media_browsertest.cc b/content/browser/media/encrypted_media_browsertest.cc
index 8f30094a88aaec7da5a463ed7b358d24a2a7d55e..19d3dde973fcad8d73443587a2ec404621c7dc03 100644
--- a/content/browser/media/encrypted_media_browsertest.cc
+++ b/content/browser/media/encrypted_media_browsertest.cc
@@ -10,6 +10,7 @@
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/shell/browser/shell.h"
+#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 
 // Available key systems.
 static const char kClearKeyKeySystem[] = "webkit-org.w3.clearkey";
@@ -59,6 +60,18 @@ class EncryptedMediaTest : public content::MediaBrowserTest,
   }
 
   void TestConfigChange() {
+    if (CurrentSourceType() != MSE) {
+      LOG(INFO) << "Skipping test - config change only applies to MSE.";
+      return;
+    }
+
+    // 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("keysystem", CurrentKeySystem()));
     query_params.push_back(std::make_pair("runencrypted", "1"));
@@ -71,6 +84,14 @@ class EncryptedMediaTest : public content::MediaBrowserTest,
                              const char* key_system,
                              SrcType src_type,
                              const char* expectation) {
+    // TODO(xhwang): Update this to check for unprefixed MSE API when
+    // http://crbug.com/307107 is fixed.
+    if (src_type == MSE &&
+        !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));
@@ -111,7 +132,7 @@ using ::testing::Values;
 // Encrypted media playback with SRC is not supported on Android.
 INSTANTIATE_TEST_CASE_P(SRC_ClearKey, EncryptedMediaTest,
                         Combine(Values(kClearKeyKeySystem), Values(SRC)));
-#endif  // defined(OS_ANDROID)
+#endif  // !defined(OS_ANDROID)
 
 INSTANTIATE_TEST_CASE_P(MSE_ClearKey, EncryptedMediaTest,
                         Combine(Values(kClearKeyKeySystem), Values(MSE)));