Suppress memory leaks in remoting::DecompressorZlib for Dr. Memory

BUG=57910
TBR=glider
TEST=remoting_unittests should become green under Dr. Memory
Review URL: http://codereview.chromium.org/6336007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71662 0039d316-1c4b-4281-b951-d872f2087c98

tools/valgrind/drmemory/suppressions.txt

@@ -411,6 +411,13 @@ UNINITIALIZED READ
 ...
 *!vp8_*
 
+# http://crbug.com/57910
+LEAK
+...
+*!*inflateInit*
+*!remoting::DecompressorZlib::InitStream
+*!remoting::DecompressorZlib::Reset
+
 # http://crbug.com/68307
 LEAK
 ...