Enable video processing unittest to take video clips as param.

webrtc/modules/video_processing/test/video_processing_unittest.h

Index: webrtc/modules/video_processing/test/video_processing_unittest.h
diff --git a/webrtc/modules/video_processing/test/video_processing_unittest.h b/webrtc/modules/video_processing/test/video_processing_unittest.h
index 3433c6ca868f8c2d7a4e32d73b4e1e5147f7eab8..1c548d36c6a83fb6c179258cb34aedcef7e051e5 100644
--- a/webrtc/modules/video_processing/test/video_processing_unittest.h
+++ b/webrtc/modules/video_processing/test/video_processing_unittest.h
@@ -20,26 +20,27 @@
 
 namespace webrtc {
 
-class VideoProcessingTest : public ::testing::Test {
+typedef struct {
+  std::string file_name;
+  int width;
+  int height;
+} VideoToTest;
+
+class VideoProcessingTest : public ::testing::TestWithParam<VideoToTest> {
  protected:
   VideoProcessingTest();
   virtual void SetUp();
   virtual void TearDown();
-  static void SetUpTestCase() {
-    Trace::CreateTrace();
-    std::string trace_file = webrtc::test::OutputPath() + "VPMTrace.txt";
-    ASSERT_EQ(0, Trace::SetTraceFile(trace_file.c_str()));
-  }
-  static void TearDownTestCase() { Trace::ReturnTrace(); }
   VideoProcessing* vp_;
   FILE* source_file_;
   VideoFrame video_frame_;
-  const int width_;
-  const int half_width_;
-  const int height_;
-  const int size_y_;
-  const int size_uv_;
-  const size_t frame_length_;
+  VideoToTest vtt_;
+  int width_;
+  int half_width_;
+  int height_;
+  int size_y_;
+  int size_uv_;
+  size_t frame_length_;
 };
 
 }  // namespace webrtc