Break tight coupling of VideoCaptureDeviceClient to renderer_host

content/browser/renderer_host/media/video_capture_buffer_pool_unittest.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.
 
 // Unit test for VideoCaptureBufferPool.
 
 #include "content/browser/renderer_host/media/video_capture_buffer_pool.h"
 
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 101 matching lines @@
         gpu::SurfaceHandle surface_handle) override {
       return base::MakeUnique<MockGpuMemoryBuffer>(size);
     }
   };
 #endif
 
   // This is a generic Buffer tracker
   class Buffer {
    public:
     Buffer(const scoped_refptr<VideoCaptureBufferPool> pool,
-           std::unique_ptr<VideoCaptureBufferPool::BufferHandle> buffer_handle,
+           std::unique_ptr<VideoCaptureBufferPoolBufferHandle> buffer_handle,
            int id)
         : id_(id), pool_(pool), buffer_handle_(std::move(buffer_handle)) {}
     ~Buffer() { pool_->RelinquishProducerReservation(id()); }
     int id() const { return id_; }
     size_t mapped_size() { return buffer_handle_->mapped_size(); }
     void* data() { return buffer_handle_->data(0); }
 
    private:
     const int id_;
     const scoped_refptr<VideoCaptureBufferPool> pool_;
-    const std::unique_ptr<VideoCaptureBufferPool::BufferHandle> buffer_handle_;
+    const std::unique_ptr<VideoCaptureBufferPoolBufferHandle> buffer_handle_;
   };
 
   VideoCaptureBufferPoolTest()
       : expected_dropped_id_(0),
-        pool_(new VideoCaptureBufferPool(kTestBufferPoolSize)) {}
+        pool_(new VideoCaptureBufferPoolImpl(kTestBufferPoolSize)) {}
 
 #if !defined(OS_ANDROID)
   void SetUp() override {
     gpu_memory_buffer_manager_.reset(new StubBrowserGpuMemoryBufferManager);
   }
 #endif
 
   void ExpectDroppedId(int expected_dropped_id) {
     expected_dropped_id_ = expected_dropped_id;
   }
 
   std::unique_ptr<Buffer> ReserveBuffer(
       const gfx::Size& dimensions,
       PixelFormatAndStorage format_and_storage) {
     // To verify that ReserveBuffer always sets |buffer_id_to_drop|,
     // initialize it to something different than the expected value.
     int buffer_id_to_drop = ~expected_dropped_id_;
     DVLOG(1) << media::VideoCaptureFormat::PixelStorageToString(
                     format_and_storage.pixel_storage) << " "
              << media::VideoPixelFormatToString(format_and_storage.pixel_format)
              << " " << dimensions.ToString();
     const int buffer_id = pool_->ReserveForProducer(
         dimensions, format_and_storage.pixel_format,
         format_and_storage.pixel_storage, &buffer_id_to_drop);
     if (buffer_id == VideoCaptureBufferPool::kInvalidId)
       return std::unique_ptr<Buffer>();
     EXPECT_EQ(expected_dropped_id_, buffer_id_to_drop);
 
-    std::unique_ptr<VideoCaptureBufferPool::BufferHandle> buffer_handle =
+    std::unique_ptr<VideoCaptureBufferPoolBufferHandle> buffer_handle =
         pool_->GetBufferHandle(buffer_id);
     return std::unique_ptr<Buffer>(
         new Buffer(pool_, std::move(buffer_handle), buffer_id));
   }
 
   std::unique_ptr<Buffer> ResurrectLastBuffer(
       const gfx::Size& dimensions,
       PixelFormatAndStorage format_and_storage) {
     const int buffer_id = pool_->ResurrectLastForProducer(
         dimensions, format_and_storage.pixel_format,
@@ skipping 317 matching lines @@
   ASSERT_NE(nullptr, held_buffers.back().get());
   resurrected = ResurrectLastBuffer(gfx::Size(10, 10), GetParam());
   ASSERT_EQ(nullptr, resurrected.get());
 }
 
 INSTANTIATE_TEST_CASE_P(,
                         VideoCaptureBufferPoolTest,
                         testing::ValuesIn(kCapturePixelFormatAndStorages));
 
 } // namespace content