Exclude some net_ tests and suppress a couple of stacks for Dr. Memory...

tools/valgrind/drmemory/suppressions.txt

Index: tools/valgrind/drmemory/suppressions.txt
===================================================================
--- tools/valgrind/drmemory/suppressions.txt	(revision 70146)
+++ tools/valgrind/drmemory/suppressions.txt	(working copy)
@@ -1,4 +1,11 @@
 ############################
+# Known reports on the third party we have no control over.
+UNINITIALIZED READ
+...
+*!deflate_slow
+*!MOZ_Z_deflate
+
+############################
 # Suppress some false reports due to bugs in Dr.Memory like wrong analysis
 # assumptions or unhandled syscalls
 
@@ -241,7 +248,17 @@
 ...
 ntdll.dll!RtlValidateUnicodeString
 
+# http://code.google.com/p/drmemory/issues/detail?id=256
+LEAK
+*!_mtinit
+*!__tmainCRTStartup
+*!mainCRTStartup
 
+# http://code.google.com/p/drmemory/issues/detail?id=257
+LEAK
+...
+*!std::use_facet<std::numpunct<char> >
+
 ############################
 # TODO(timurrrr): investigate these
 UNINITIALIZED READ
@@ -322,6 +339,10 @@
 ntdll.dll!RtlAbsoluteToSelfRelativeSD
 ADVAPI32.dll!MakeSelfRelativeSD
 
+UNINITIALIZED READ
+...
+CRYPT32.dll!I_CertSyncStore
+
 ############################
 # Intentional errors in Chromium tests (ToolsSanityTests)