Fix various uninitialized member variables in media code.

content/renderer/media/webmediaplayer_impl.cc

 // Copyright 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 "content/renderer/media/webmediaplayer_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 #include <vector>
@@ skipping 158 matching lines @@
     base::WeakPtr<WebMediaPlayerDelegate> delegate,
     const WebMediaPlayerParams& params)
     : frame_(frame),
       network_state_(WebMediaPlayer::NetworkStateEmpty),
       ready_state_(WebMediaPlayer::ReadyStateHaveNothing),
       main_loop_(base::MessageLoopProxy::current()),
       media_loop_(
           RenderThreadImpl::current()->GetMediaThreadMessageLoopProxy()),
       media_log_(new RenderMediaLog()),
       pipeline_(media_loop_, media_log_.get()),
+      load_type_(LoadTypeURL),
       opaque_(false),
       paused_(true),
       seeking_(false),
       playback_rate_(0.0f),
       pending_seek_(false),
       pending_seek_seconds_(0.0f),
       should_notify_time_changed_(false),
       client_(client),
       delegate_(delegate),
       defer_load_cb_(params.defer_load_cb()),
@@ skipping 1174 matching lines @@
   compositor_task_runner_->PostTask(FROM_HERE,
                                     base::Bind(&GetCurrentFrameAndSignal,
                                                base::Unretained(compositor_),
                                                &video_frame,
                                                &event));
   event.Wait();
   return video_frame;
 }
 
 }  // namespace content