suppress handle leaks from cc.dll!cc::ResourceProvider::CreateBitmap

BUG=441785
TBR=jbauman@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/800923003

Cr-Commit-Position: refs/heads/master@{#308101}

tools/valgrind/drmemory/suppressions.txt

@@ -669,3 +669,21 @@ blink_web.dll!blink::Frame::detach
 content.dll!content::RenderFrameProxy::OnDeleteProxy
 content.dll!content::RenderFrameProxy::OnMessageReceived
 content.dll!content::MessageRouter::RouteMessage
+
+HANDLE LEAK
+name=http://crbug.com/441785
+system call NtCreateSection
+KERNELBASE.dll!CreateFileMappingW
+base.dll!base::SharedMemory::Create
+base.dll!base::SharedMemory::CreateAnonymous
+content.dll!content::ChildThread::AllocateSharedMemory
+content.dll!content::ChildSharedBitmapManager::AllocateSharedMemoryBitmap
+content.dll!content::ChildSharedBitmapManager::AllocateSharedBitmap
+cc.dll!cc::ResourceProvider::CreateBitmap
+cc.dll!cc::ResourceProvider::CreateManagedResource
+cc.dll!cc::ScopedResource::AllocateManaged
+cc.dll!cc::ResourcePool::AcquireResource
+cc.dll!cc::TileManager::CreateRasterTask
+cc.dll!cc::TileManager::ScheduleTasks
+cc.dll!cc::TileManager::PrepareTiles
+cc.dll!cc::LayerTreeHostImpl::PrepareTiles