Fix new[]/delete mismatch in AudioBusPerfTest.

Discoved while running media_perftests on a local debug build.

Review URL: https://codereview.chromium.org/441673003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@287429 0039d316-1c4b-4281-b951-d872f2087c98

media/base/audio_bus_perftest.cc

@@ -15,8 +15,8 @@ static const int kBenchmarkIterations = 20;
 template <typename T>
 void RunInterleaveBench(AudioBus* bus, const std::string& trace_name) {
   const int frame_size = bus->frames() * bus->channels();
-  scoped_ptr<T> interleaved(new T[frame_size]);
-  const int byte_size = sizeof(*interleaved);
+  scoped_ptr<T[]> interleaved(new T[frame_size]);
+  const int byte_size = sizeof(T);
 
   base::TimeTicks start = base::TimeTicks::HighResNow();
   for (int i = 0; i < kBenchmarkIterations; ++i) {