Fix a memory leak in the Query11 class. The destructor did not release D3D objects that could be in the mPendingQueries list when the destructor is called. This fix now iterates through the list and releases them. BUG=angleproject:1325 Change-Id: Ia3bd2a8a611f8dbf85051ab5bfea18ab72038af5 Reviewed-on: https://chromium-review.googlesource.com/329426 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Ian Ewell <ewell@google.com>