Video capture Android: enable unittests for Camera2 API

media/capture/video/android/video_capture_device_android.cc

 // Copyright (c) 2013 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/capture/video/android/video_capture_device_android.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/android/jni_android.h"
@@ skipping 365 matching lines @@
   }
 
   mojom::BlobPtr blob = mojom::Blob::New();
   base::android::JavaByteArrayToByteVector(env, data.obj(), &blob->data);
   blob->mime_type = blob->data.empty() ? "" : "image/jpeg";
   cb->Run(std::move(blob));
 
   photo_callbacks_.erase(reference_it);
 }
 
+void VideoCaptureDeviceAndroid::ConfigureForTesting() {
+  Java_VideoCapture_setTestMode(AttachCurrentThread(), j_capture_);
+}
+
 VideoPixelFormat VideoCaptureDeviceAndroid::GetColorspace() {
   JNIEnv* env = AttachCurrentThread();
   const int current_capture_colorspace =
       Java_VideoCapture_getColorspace(env, j_capture_);
   switch (current_capture_colorspace) {
     case ANDROID_IMAGE_FORMAT_YV12:
       return media::PIXEL_FORMAT_YV12;
     case ANDROID_IMAGE_FORMAT_YUV_420_888:
       return media::PIXEL_FORMAT_I420;
     case ANDROID_IMAGE_FORMAT_NV21:
@@ skipping 129 matching lines @@
 
   Java_VideoCapture_setPhotoOptions(
       env, j_capture_, zoom, static_cast<int>(focus_mode),
       static_cast<int>(exposure_mode), width, height, points_of_interest,
       settings->has_exposure_compensation, exposure_compensation);
 
   callback.Run(true);
 }
 
 }  // namespace media