Extract nested and private classes from VideoCaptureBufferPool

content/browser/media/capture/web_contents_video_capture_device_unittest.cc

Index: content/browser/media/capture/web_contents_video_capture_device_unittest.cc
diff --git a/content/browser/media/capture/web_contents_video_capture_device_unittest.cc b/content/browser/media/capture/web_contents_video_capture_device_unittest.cc
index 69c654d8a76bea2860d0af1d5c22c4a3b9dfebf1..5d6ec081b09e098baa4a938952cdfdab86a5e622 100644
--- a/content/browser/media/capture/web_contents_video_capture_device_unittest.cc
+++ b/content/browser/media/capture/web_contents_video_capture_device_unittest.cc
@@ -422,10 +422,9 @@ class StubClient : public media::VideoCaptureDevice::Client {
  private:
   class AutoReleaseBuffer : public media::VideoCaptureDevice::Client::Buffer {
    public:
-    AutoReleaseBuffer(
-        const scoped_refptr<VideoCaptureBufferPool>& pool,
-        std::unique_ptr<VideoCaptureBufferPoolBufferHandle> buffer_handle,
-        int buffer_id)
+    AutoReleaseBuffer(const scoped_refptr<VideoCaptureBufferPool>& pool,
+                      std::unique_ptr<VideoCaptureBufferHandle> buffer_handle,
+                      int buffer_id)
         : id_(buffer_id),
           pool_(pool),
           buffer_handle_(std::move(buffer_handle)) {
@@ -451,7 +450,7 @@ class StubClient : public media::VideoCaptureDevice::Client {
 
     const int id_;
     const scoped_refptr<VideoCaptureBufferPool> pool_;
-    const std::unique_ptr<VideoCaptureBufferPoolBufferHandle> buffer_handle_;
+    const std::unique_ptr<VideoCaptureBufferHandle> buffer_handle_;
   };
 
   scoped_refptr<VideoCaptureBufferPool> buffer_pool_;