[chromium] Initialize all fields in WebFilterOperation https://bugs.webkit.org/show_bug.cgi?id=113807 Reviewed by James Robinson. * chromium/public/WebFilterOperation.h: (WebKit::WebFilterOperation::WebFilterOperation): * chromium/src/WebFilterOperation.cpp: (WebKit::WebFilterOperation::WebFilterOperation): git-svn-id: https://svn.webkit.org/repository/webkit/trunk/Source/Platform/chromium/public@147477 268f45cc-cd09-0410-ab3c-d52691b4dbfc