Fix memory leaks in BufferedDataSource, BufferedResourceLoader and SimpleDataSource unit tests.

webkit/glue/media/buffered_resource_loader_unittest.cc

Index: webkit/glue/media/buffered_resource_loader_unittest.cc
diff --git a/webkit/glue/media/buffered_resource_loader_unittest.cc b/webkit/glue/media/buffered_resource_loader_unittest.cc
index fc8851ca66ca4f09515f14007ad715da894f55e0..4ba8a27583842d96a86876c5716b332cc3cfe930 100644
--- a/webkit/glue/media/buffered_resource_loader_unittest.cc
+++ b/webkit/glue/media/buffered_resource_loader_unittest.cc
@@ -74,7 +74,6 @@ class BufferedResourceLoaderTest : public testing::Test {
   }
 
   virtual ~BufferedResourceLoaderTest() {
-    ignore_result(frame_.release());
   }
 
   void Initialize(const char* url, int first_position, int last_position) {
@@ -483,4 +482,3 @@ TEST_F(BufferedResourceLoaderTest, AllowDefer_DeferredReadPastWindow) {
 // TODO(hclam): add unit test for defer loading.
 
 }  // namespace webkit_glue
-