Better ActivityLog error handling

tools/heapcheck/suppressions.txt

Index: tools/heapcheck/suppressions.txt
diff --git a/tools/heapcheck/suppressions.txt b/tools/heapcheck/suppressions.txt
index 1dd51b3ed61cb0f7772793f8e4b9dac4509c2e82..980fabf32f46f60ea98ca7282948679af6342cb8 100644
--- a/tools/heapcheck/suppressions.txt
+++ b/tools/heapcheck/suppressions.txt
@@ -1841,46 +1841,6 @@
    fun:Handle
 }
 {
-   bug_246825a
-   Heapcheck:Leak
-   ...
-   fun:sql::Connection::GetCachedStatement
-   ...
-   fun:extensions::ActivityDatabase::Init
-}
-{
-   bug_246825b
-   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:extensions::ActivityDatabase::RecordAction
-}
-{
-   bug_246825c
-   Heapcheck:Leak
-   fun:base::Bind
-   fun:base::BaseTimerMethodPointer::Start
-   fun:extensions::ActivityDatabase::Init
-}
-{
-   bug_246825d
-   Heapcheck:Leak
-   ...
-   fun:LogExtensionActivity
-   fun:ExtensionWebRequestEventRouter::DecrementBlockCount
-   fun:ExtensionWebRequestEventRouter::OnEventHandled
-   fun:EventHandledOnIOThread
-}
-{
-   bug_246825e
-   Heapcheck:Leak
-   fun:sqlite3MemMalloc
-   ...
-   fun:extensions::ActivityDatabase::Init
-}
-{
    bug_247525
    Heapcheck:Leak
    ...