clang/win: Fix warnings to prepare for building without -Wno-reorder.

media/video/capture/win/sink_input_pin_win.cc

 // Copyright (c) 2012 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/video/capture/win/sink_input_pin_win.h"
 
 #include <cstring>
 
 // Avoid including strsafe.h via dshow as it will cause build warnings.
 #define NO_DSHOW_STRSAFE
 #include <dshow.h>
 
 #include "base/logging.h"
 
 namespace media {
 
 const REFERENCE_TIME kSecondsToReferenceTime = 10000000;
 
 
 static DWORD GetArea(const BITMAPINFOHEADER& info_header) {
   return info_header.biWidth * info_header.biHeight;
 }
 
-SinkInputPin::SinkInputPin(IBaseFilter* filter,
-                           SinkFilterObserver* observer)
-    : requested_frame_rate_(0),
-      observer_(observer),
-      PinBase(filter) {
+SinkInputPin::SinkInputPin(IBaseFilter* filter, SinkFilterObserver* observer)
+    : PinBase(filter), requested_frame_rate_(0), observer_(observer) {
 }
 
 void SinkInputPin::SetRequestedMediaFormat(
     VideoPixelFormat pixel_format,
     float frame_rate,
     const BITMAPINFOHEADER& info_header) {
   requested_pixel_format_ = pixel_format;
   requested_frame_rate_ = frame_rate;
   requested_info_header_ = info_header;
   resulting_format_.frame_size.SetSize(0, 0);
@@ skipping 148 matching lines @@
   if (FAILED(sample->GetPointer(&buffer)))
     return S_FALSE;
 
   observer_->FrameReceived(buffer, length);
   return S_OK;
 }
 
 SinkInputPin::~SinkInputPin() {}
 
 }  // namespace media