Another round of PDF plugin cleanups.

pdf/chunk_stream.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 "pdf/chunk_stream.h"
 
 #include <stddef.h>
 #include <string.h>
 
 #define __STDC_LIMIT_MACROS
@@ skipping 17 matching lines @@
   chunks_.clear();
   data_.clear();
   stream_size_ = 0;
 }
 
 void ChunkStream::Preallocate(size_t stream_size) {
   data_.reserve(stream_size);
   stream_size_ = stream_size;
 }
 
-size_t ChunkStream::GetSize() {
+size_t ChunkStream::GetSize() const {
   return data_.size();
 }
 
 bool ChunkStream::WriteData(size_t offset, void* buffer, size_t size) {
   if (SIZE_MAX - size < offset)
     return false;
 
   if (data_.size() < offset + size)
     data_.resize(offset + size);
 
@@ skipping 117 matching lines @@
 size_t ChunkStream::GetLastMissingByteInInterval(size_t offset) const {
   if (chunks_.empty())
     return stream_size_ - 1;
   std::map<size_t, size_t>::const_iterator it = chunks_.upper_bound(offset);
   if (it == chunks_.end())
     return stream_size_ - 1;
   return it->first - 1;
 }
 
 }  // namespace chrome_pdf