Enable video processing unittest to take video clips as param.

webrtc/modules/video_processing/test/video_processing_unittest.h

 /*
  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MODULES_VIDEO_PROCESSING_TEST_VIDEO_PROCESSING_UNITTEST_H_
 #define WEBRTC_MODULES_VIDEO_PROCESSING_TEST_VIDEO_PROCESSING_UNITTEST_H_
 
 #include <string>
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webrtc/modules/video_processing/include/video_processing.h"
 #include "webrtc/system_wrappers/include/trace.h"
 #include "webrtc/test/testsupport/fileutils.h"
 
 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
 
 #endif  // WEBRTC_MODULES_VIDEO_PROCESSING_TEST_VIDEO_PROCESSING_UNITTEST_H_