Refactor WritableBuffer interface for more useful ptr management.

media/base/buffer_queue_unittest.cc

 // Copyright (c) 2009 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 "base/scoped_ptr.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "media/base/buffer_queue.h"
 #include "media/base/data_buffer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace media {
 
 class BufferQueueTest : public testing::Test {
  protected:
   BufferQueueTest() {
-    buffer1 = new DataBuffer();
-    data1 = buffer1->GetWritableData(kDataSize);
+    buffer1 = new DataBuffer(kDataSize);
+    buffer1->SetDataSize(kDataSize);
+    data1 = buffer1->GetWritableData();
 
-    buffer2 = new DataBuffer();
-    data2 = buffer2->GetWritableData(kNewDataSize);
+    buffer2 = new DataBuffer(kNewDataSize);
+    buffer2->SetDataSize(kNewDataSize);
+    data2 = buffer2->GetWritableData();
 
-    bufferBig = new DataBuffer();
-    dataBig = bufferBig->GetWritableData(2 * (kDataSize + kNewDataSize));
+    bufferBig = new DataBuffer(2 * (kDataSize + kNewDataSize));
+    bufferBig->SetDataSize(2 * (kDataSize + kNewDataSize));
+    dataBig = bufferBig->GetWritableData();
 
     memcpy(data1, kData, kDataSize);
     memcpy(data2, kNewData, kNewDataSize);
   }
 
   BufferQueue queue_;
 
   static const char kData[];
   static const size_t kDataSize;
   static const char kNewData[];
@@ skipping 123 matching lines @@
 
     EXPECT_EQ(expected, actual) << "With test = {"
         << tests[i].first_time_seconds << ", " << tests[i].consume_bytes
         << ", " << tests[i].bytes_to_seconds << "}\n";
 
     queue_.Clear();
   }
 }
 
 }  // namespace media