Remove the checksum/HMAC code from the decryptor.

webkit/plugins/ppapi/ppapi_plugin_instance.cc

 // Copyright (c) 2012 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 "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/memory/linked_ptr.h"
@@ skipping 341 matching lines @@
 
   // TODO(xhwang): Fix initialization of PP_EncryptedBlockInfo here and
   // anywhere else.
   memset(block_info, 0, sizeof(*block_info));
 
   block_info->tracking_info.request_id = request_id;
   block_info->tracking_info.timestamp = timestamp;
   block_info->data_offset = decrypt_config.data_offset();
 
   if (!CopyStringToArray(decrypt_config.key_id(), block_info->key_id) ||
-      !CopyStringToArray(decrypt_config.iv(), block_info->iv) ||
-      !CopyStringToArray(decrypt_config.checksum(), block_info->checksum))
+      !CopyStringToArray(decrypt_config.iv(), block_info->iv))
     return false;
 
   block_info->key_id_size = decrypt_config.key_id().size();
   block_info->iv_size = decrypt_config.iv().size();
-  block_info->checksum_size = decrypt_config.checksum().size();
 
   if (decrypt_config.subsamples().size() > arraysize(block_info->subsamples))
     return false;
 
   block_info->num_subsamples = decrypt_config.subsamples().size();
   for (uint32_t i = 0; i < block_info->num_subsamples; ++i) {
     block_info->subsamples[i].clear_bytes =
         decrypt_config.subsamples()[i].clear_bytes;
     block_info->subsamples[i].cipher_bytes =
         decrypt_config.subsamples()[i].cypher_bytes;
@@ skipping 2289 matching lines @@
   screen_size_for_fullscreen_ = gfx::Size();
   WebElement element = container_->element();
   element.setAttribute(WebString::fromUTF8(kWidth), width_before_fullscreen_);
   element.setAttribute(WebString::fromUTF8(kHeight), height_before_fullscreen_);
   element.setAttribute(WebString::fromUTF8(kBorder), border_before_fullscreen_);
   element.setAttribute(WebString::fromUTF8(kStyle), style_before_fullscreen_);
 }
 
 }  // namespace ppapi
 }  // namespace webkit