didBeginFrame     337 Source/core/inspector/InspectorCanvasAgent.cpp void InspectorCanvasAgent::didBeginFrame()
didBeginFrame     443 Source/core/inspector/InspectorController.cpp void InspectorController::didBeginFrame(int frameId)
didBeginFrame     451 Source/core/inspector/InspectorTimelineAgent.cpp void InspectorTimelineAgent::didBeginFrame(int frameId)
didBeginFrame     257 Source/web/WebDevToolsAgentImpl.cpp void WebDevToolsAgentImpl::didBeginFrame(int frameId)