Suppress heapchecker leaks.

BUG=47188

Review URL: http://codereview.chromium.org/2828020

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@50484 0039d316-1c4b-4281-b951-d872f2087c98

tools/heapcheck/suppressions.txt

@@ -797,3 +797,45 @@
    ...
    fun:ProfileManagerTest_CreateAndUseTwoProfiles_Test::TestBody
 }
+{
+   bug_47188_a
+   Heapcheck:Leak
+   fun:net::SingleThreadedProxyResolver::GetProxyForURL
+   fun:net::::IOThread::Init
+   fun:base::Thread::ThreadMain
+   fun:ThreadFunc
+   fun:start_thread
+}
+{
+   bug_47188_b
+   Heapcheck:Leak
+   fun:__gnu_cxx::new_allocator::allocate
+   fun:std::string::_Rep::_S_create
+   fun:std::string::_Rep::_M_clone
+   fun:std::string::reserve
+   fun:bool ::InitCanonical
+   fun:GURL
+   fun:net::::IOThread::Init
+   fun:base::Thread::ThreadMain
+   fun:ThreadFunc
+   fun:start_thread
+}
+{
+   bug_47188_c
+   Heapcheck:Leak
+   ...
+   fun:net::SingleThreadedProxyResolver::Job::DoQuery
+   fun:void DispatchToMethod
+   fun:RunnableMethod::Run
+   fun:MessageLoop::RunTask
+   fun:MessageLoop::DeferOrRunPendingTask
+   fun:MessageLoop::DoWork
+   fun:base::MessagePumpDefault::Run
+   fun:MessageLoop::RunInternal
+   fun:MessageLoop::RunHandler
+   fun:MessageLoop::Run
+   fun:base::Thread::Run
+   fun:base::Thread::ThreadMain
+   fun:ThreadFunc
+   fun:start_thread
+}