Remove dead code paths around PIXEL_STORAGE_TEXTURE in capture pipeline.

content/browser/renderer_host/media/video_capture_buffer_pool.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.
 
 #include "content/browser/renderer_host/media/video_capture_buffer_pool.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/stl_util.h"
@@ skipping 242 matching lines @@
       return true;
   }
   NOTREACHED();
   return true;
 }
 
 // static
 scoped_ptr<VideoCaptureBufferPool::Tracker>
 VideoCaptureBufferPool::Tracker::CreateTracker(
     media::VideoPixelStorage storage) {
-  DCHECK(storage == media::PIXEL_STORAGE_GPUMEMORYBUFFER ||
-         storage == media::PIXEL_STORAGE_CPU ||
-         storage == media::PIXEL_STORAGE_TEXTURE);
-
-  if (storage == media::PIXEL_STORAGE_GPUMEMORYBUFFER)
-    return make_scoped_ptr(new GpuMemoryBufferTracker());
-  else
-    return make_scoped_ptr(new SharedMemTracker());
+  switch (storage) {
+    case media::PIXEL_STORAGE_GPUMEMORYBUFFER:
+      return make_scoped_ptr(new GpuMemoryBufferTracker());
+    case media::PIXEL_STORAGE_CPU:
+      return make_scoped_ptr(new SharedMemTracker());
+  }
+  NOTREACHED();
+  return scoped_ptr<VideoCaptureBufferPool::Tracker>();
 }
 
 VideoCaptureBufferPool::Tracker::~Tracker() {}
 
 VideoCaptureBufferPool::VideoCaptureBufferPool(int count)
     : count_(count),
       next_buffer_id_(0) {
   DCHECK_GT(count, 0);
 }
 
@@ skipping 174 matching lines @@
   return buffer_id;
 }
 
 VideoCaptureBufferPool::Tracker* VideoCaptureBufferPool::GetTracker(
     int buffer_id) {
   TrackerMap::const_iterator it = trackers_.find(buffer_id);
   return (it == trackers_.end()) ? NULL : it->second;
 }
 
 }  // namespace content