Coverity: initialize read_attempts_ in BufferedDataSource constructor.

CID=5439
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/258030

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@28088 0039d316-1c4b-4281-b951-d872f2087c98

webkit/glue/media/buffered_data_source.cc

@@ -469,6 +469,7 @@ BufferedDataSource::BufferedDataSource(
       read_position_(0),
       read_size_(0),
       read_buffer_(NULL),
+      read_attempts_(0),
       intermediate_read_buffer_(new uint8[kInitialReadBufferSize]),
       intermediate_read_buffer_size_(kInitialReadBufferSize),
       render_loop_(render_loop),