Remove mock_ffmpeg and update media unittests.

media/base/test_data_util.cc

Index: media/base/test_data_util.cc
diff --git a/media/base/test_data_util.cc b/media/base/test_data_util.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e562b17fb08ccbcddcb756802dc82161efed778d
--- /dev/null
+++ b/media/base/test_data_util.cc
@@ -0,0 +1,43 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/base/test_data_util.h"
+
+#include "base/file_util.h"
+#include "base/path_service.h"
+
+namespace media {
+
+void ReadTestDataFile(const std::string& name, scoped_array<uint8>* buffer,
+                      int* size) {
+  FilePath file_path;
+  CHECK(PathService::Get(base::DIR_SOURCE_ROOT, &file_path));
+
+  file_path = file_path.Append(FILE_PATH_LITERAL("media"))
+      .Append(FILE_PATH_LITERAL("test"))
+      .Append(FILE_PATH_LITERAL("data"))
+      .AppendASCII(name);
+
+  int64 tmp = 0;
+  CHECK(file_util::GetFileSize(file_path, &tmp))
+      << "Failed to get file size for '" << name << "'";
+
+  int file_size = static_cast<int>(tmp);
+  buffer->reset(new uint8[file_size]);
+
+  CHECK(file_size == file_util::ReadFile(file_path,
+                                         reinterpret_cast<char*>(buffer->get()),
+                                         file_size))
+    << "Failed to read '" << name << "'";
+  *size = file_size;
+}
+
+void ReadTestDataFile(const std::string& name, scoped_refptr<Buffer>* buffer) {
+  scoped_array<uint8> buf;
+  int buf_size;
+  ReadTestDataFile(name, &buf, &buf_size);
+  *buffer = new DataBuffer(buf.release(), buf_size);
+}
+
+}  // namespace media