Encrypted Media: Fix a typo in FileIOTest::MatchResult().

media/cdm/ppapi/cdm_file_io_test.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 "media/cdm/ppapi/cdm_file_io_test.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/logging.h"
 
@@ skipping 346 matching lines @@
 }
 
 bool FileIOTest::MatchesResult(const TestStep& a, const TestStep& b) {
   DCHECK(IsResult(a) && IsResult(b));
   if (a.type != b.type || a.status != b.status)
     return false;
 
   if (a.type != RESULT_READ || a.status != cdm::FileIOClient::kSuccess)
     return true;
 
-  return (a.data_size == a.data_size &&
+  return (a.data_size == b.data_size &&
           std::equal(a.data, a.data + a.data_size, b.data));
 }
 
 void FileIOTest::RunNextStep() {
   // Run all actions in the current action group.
   while (!test_steps_.empty()) {
     // Start to wait for test results when the next step is a test result.
     if (IsResult(test_steps_.front()))
       return;
 
@@ skipping 67 matching lines @@
 void FileIOTest::OnTestComplete(bool success) {
   while (!file_io_stack_.empty()) {
     file_io_stack_.top()->Close();
     file_io_stack_.pop();
   }
   FILE_IO_DVLOG(3) << test_name_ << (success ? " PASSED" : " FAILED");
   base::ResetAndReturn(&completion_cb_).Run(success);
 }
 
 }  // namespace media