add more exceptions to the stupid renderthread test

chrome/test/data/purify/unit_tests.exe_MLK_flakey.txt

 sqlite3GenericRealloc [unit_tests.exe]
 Alloc Location
    ...  
    chrome/browser/history/history_unittest.cc  history::HistoryProfileTest_TypicalProfileVersion_Test::TestBody(void)
    testing/gtest/src/gtest.cc  testing::Test::Run(void)
    ^^^  
 
 sqlite3GenericRealloc [unit_tests.exe]
 Alloc Location
    ...  
@@ skipping 172 matching lines @@
    ...  
    base/pickle.cc  Pickle::Resize(UINT)
    base/pickle.cc  Pickle::Pickle(int)
    ipc/ipc_message.cc  IPC::Message::Message(int,WORD,PriorityValue::Message::IPC)
    ipc/ipc_message_utils.h  IPC::MessageWithTuple::MessageWithTuple(int,WORD,Tuple1 const&)
    chrome/common/render_messages_internal.h  ViewMsg_VisitedLink_NewTable::ViewMsg_VisitedLink_NewTable(void * const const&)
    chrome/renderer/render_thread_unittest.cc  RenderThreadTest_TestVisitedMsg_Test::TestBody(void)
    testing/gtest/src/gtest.cc  testing::Test::Run(void)
    ^^^  
 
+?_Allocate@PAVMessage@IPC@@@std@@YAPAPAVMessage@IPC@@IPAPAV12@@Z [unit_tests.exe]
+Alloc Location
+   ...  
+   ipc/ipc_channel_win.cc  IPC::Channel::ChannelImpl::Send(Message::IPC *)
+   ipc/ipc_channel_win.cc  IPC::Channel::Send(Message::IPC *)
+   ipc/ipc_channel_proxy.cc  IPC::ChannelProxy::Context::OnSendMessage(Message::IPC *)
+   ipc/ipc_channel_proxy.cc  IPC::SendTask::Run(void)
+   base/message_loop.cc  MessageLoop::RunTask(Task *)
+   ^^^  
+
+?_Allocate@PAVMessage@IPC@@@std@@YAPAPAVMessage@IPC@@IPAPAV12@@Z [unit_tests.exe]
+Alloc Location
+   ...  
+   ipc/ipc_channel_win.cc  IPC::Channel::ChannelImpl::Send(Message::IPC *)
+   ipc/ipc_channel_win.cc  IPC::Channel::Send(Message::IPC *)
+   ipc/ipc_channel_proxy.cc  IPC::ChannelProxy::Context::OnSendMessage(Message::IPC *)
+   ipc/ipc_channel_proxy.cc  IPC::SendTask::Run(void)
+   base/message_loop.cc  MessageLoop::RunTask(Task *)
+   ^^^  
+
+?A0xc590570c::RenderThreadTest_TestVisitedMsg_Test::TestBody(void) [unit_tests.exe]
+Alloc Location
+   ...  
+   chrome/renderer/render_thread_unittest.cc  RenderThreadTest_TestVisitedMsg_Test::TestBody(void)
+   testing/gtest/src/gtest.cc  testing::Test::Run(void)
+   ^^^  
+
+heap_init [unit_tests.exe]
+Alloc Location
+   ...  
+   third_party/tcmalloc/allocator_shim.cc  heap_init
+
+?_Allocate@V?$scoped_refptr@VMessageFilter@ChannelProxy@IPC@@@@@std@@YAPAV?$scoped_refptr@VMessageFilter@ChannelProxy@IPC@@@@IPAV1@@Z [unit_tests.exe]
+Alloc Location
+   ...  
+   ipc/ipc_channel_proxy.cc  IPC::ChannelProxy::Context::OnAddFilter(MessageFilter::ChannelProxy::IPC *)
+   base/tuple.h  ?DispatchToMethod@VContext@ChannelProxy@IPC@@P8123@AEXPAVMessageFilter@23@@ZPAV423@@@YAXPAVContext@ChannelProxy@IPC@@P8012@AEXPAVMessageFilter@12@@ZABU?$Tuple1@PAVMessageFilter@ChannelProxy@IPC@@@@@Z
+   ^^^  
+