Heapcheck suppression for PluginService

BUG=70115
TEST=None

Review URL: http://codereview.chromium.org/6318006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71802 0039d316-1c4b-4281-b951-d872f2087c98

tools/heapcheck/suppressions.txt

@@ -1193,3 +1193,19 @@
    fun:initSessionCacheLocksLazily
    fun:PR_CallOnce
 }
+{
+   bug_70115
+   Heapcheck:Leak
+   fun:FilePathWatcher
+   fun:PluginService
+   fun:DefaultSingletonTraits::New
+   fun:Singleton::get
+   fun:PluginService::GetInstance
+   fun:ResourceDispatcherHost::BeginRequest
+   fun:ResourceDispatcherHost::OnRequestResource
+   fun:IPC::MessageWithTuple::Dispatch
+   fun:ResourceDispatcherHost::OnMessageReceived
+   fun:ResourceDispatcherHostTest::MakeTestRequest
+   fun:ResourceDispatcherHostTest::MakeTestRequest
+   fun:ResourceDispatcherHostTest_TestMany_Test::TestBody
+}