Have media content and chrome browser tests load data from media/test/data

media/base/test_data_util.h

Index: media/base/test_data_util.h
diff --git a/media/base/test_data_util.h b/media/base/test_data_util.h
index 8d51e96c736160f3ba0e7c9d91097d2427483791..59d398fd2c510fec204cfefc27bb20bbc00a7bc2 100644
--- a/media/base/test_data_util.h
+++ b/media/base/test_data_util.h
@@ -19,6 +19,9 @@ class DecoderBuffer;
 // Returns a file path for a file in the media/test/data directory.
 base::FilePath GetTestDataFilePath(const std::string& name);
 
+// Returns relative path for test data folder: media/test/data.
+base::FilePath GetTestDataPath();
+
 // Reads a test file from media/test/data directory and stores it in
 // a DecoderBuffer.  Use DecoderBuffer vs DataBuffer to ensure no matter
 // what a test does, it's safe to use FFmpeg methods.