Heapchecker: Suppress new DownloadManagerTest leaks.

tools/heapcheck/suppressions.txt

Index: tools/heapcheck/suppressions.txt
===================================================================
--- tools/heapcheck/suppressions.txt	(revision 86296)
+++ tools/heapcheck/suppressions.txt	(working copy)
@@ -1610,3 +1610,52 @@
    fun:net::ClientSocketPoolManager::InitSocketHandleForRawConnect
    fun:notifier::ProxyResolvingClientSocket::ProcessProxyResolveDone
 }
+{
+   bug_83638a
+   Heapcheck:Leak
+   fun:DownloadManagerTest_*_Test::TestBody
+   fun:testing::internal::HandleSehExceptionsInMethodIfSupported
+   fun:testing::internal::HandleExceptionsInMethodIfSupported
+   fun:testing::Test::Run
+}
+{
+   bug_83638b
+   Heapcheck:Leak
+   fun:__gnu_cxx::new_allocator::allocate
+   fun:std::_Vector_base::_M_allocate
+   fun:std::vector::_M_insert_aux
+   fun:std::vector::push_back
+   fun:DownloadManagerTest_*_Test::TestBody
+   fun:testing::internal::HandleSehExceptionsInMethodIfSupported
+   fun:testing::internal::HandleExceptionsInMethodIfSupported
+   fun:testing::Test::Run
+}
+{
+   bug_83638c
+   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::GURL
+   fun:DownloadManagerTest_StartDownload_Test::TestBody
+   fun:testing::internal::HandleSehExceptionsInMethodIfSupported
+   fun:testing::internal::HandleExceptionsInMethodIfSupported
+   fun:testing::Test::Run
+}
+{
+   bug_83638d
+   Heapcheck:Leak
+   fun:__gnu_cxx::new_allocator::allocate
+   fun:std::string::_Rep::_S_create
+   fun:std::string::_M_mutate
+   fun:std::string::_M_replace_safe
+   fun:std::string::assign
+   fun:std::string::assign
+   fun:std::string::operator=
+   fun:DownloadManagerTest_StartDownload_Test::TestBody
+   fun:testing::internal::HandleSehExceptionsInMethodIfSupported
+   fun:testing::internal::HandleExceptionsInMethodIfSupported
+   fun:testing::Test::Run
+}