Coverity: Initialize member variables.

media/video/capture/win/pin_base_win.cc

 // Copyright (c) 2011 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/pin_base_win.h"
 
 #include "base/logging.h"
 
 namespace media {
 
@@ skipping 97 matching lines @@
       CoTaskMemFree(types[i]);
     }
   }
 
   scoped_refptr<PinBase> pin_;
   int index_;
 };
 
 PinBase::PinBase(IBaseFilter* owner)
     : owner_(owner) {
+  memset(&current_media_type_, 0, sizeof(current_media_type_));
 }
 
 PinBase::~PinBase() {
 }
 
 void PinBase::SetOwner(IBaseFilter* owner) {
   owner_ = owner;
 }
 
 // Called on an output pin to and establish a
@@ skipping 144 matching lines @@
   base::RefCounted<PinBase>::AddRef();
   return 1;
 }
 
 STDMETHODIMP_(ULONG) PinBase::Release() {
   base::RefCounted<PinBase>::Release();
   return 1;
 }
 
 }  // namespace media