Tighten up compile warnings based to match other chromium sub-projects....

remoting/host/encoder_verbatim.cc

 // Copyright (c) 2010 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 "remoting/host/encoder_verbatim.h"
 
 #include "gfx/rect.h"
 #include "media/base/data_buffer.h"
 #include "remoting/base/protocol/chromotocol.pb.h"
 
 namespace remoting {
 
 using media::DataBuffer;
 
 void EncoderVerbatim::Encode(const DirtyRects& dirty_rects,
                              const uint8* const* input_data,
                              const int* strides,
                              bool key_frame,
                              DataAvailableCallback* data_available_callback) {
   int num_rects = dirty_rects.size();
   for (int i = 0; i < num_rects; i++) {
     scoped_refptr<DataBuffer> data;
     gfx::Rect dirty_rect = dirty_rects[i];
-    PixelFormat pixel_format;
-    UpdateStreamEncoding encoding;
     scoped_ptr<UpdateStreamPacketHeader> header(new UpdateStreamPacketHeader);
     if (EncodeRect(dirty_rect,
                    input_data,
                    strides,
                    header.get(),
                    &data)) {
       EncodingState state = EncodingInProgress;
       if (i == 0) {
         state |= EncodingStarting;
       } else if (i == num_rects - 1) {
@@ skipping 66 matching lines @@
       DCHECK_LE(row_size, strides[i]);
       memcpy(out, in, row_size);
       in += strides[i];
       out += row_size;
     }
   }
   return true;
 }
 
 }  // namespace remoting