Main Thread Task Duration

	A	B	C	D
1	layout tests
2	Location	Count	Total Duration [us]	Average Duration [us]
3	CompositeAndReadbackAsync@../../content/renderer/gpu/render_widget_compositor.cc:1042	35926	880779182	24516.5
4	operator()@../../content/renderer/gpu/render_widget_compositor.cc:1026	36209	263506641	7277.4
5	ScheduledActionSendBeginMainFrame@../../cc/trees/proxy_impl.cc:523	14088	153542694	10898.8
6	DidNotSwap@../../content/renderer/gpu/render_widget_compositor.cc:163	326279	37055370	113.6
7	ScheduledActionBeginLayerTreeFrameSinkCreation@../../cc/trees/proxy_impl.cc:604	66	19434239	294458.2
8	LayoutAndPaintAsync@../../content/renderer/gpu/render_widget_compositor.cc:991	2365	18603917	7866.3
9	ReturnAndReleaseOnImplThread@../../cc/layers/texture_layer.cc:372	4402	7018229	1594.3
10	TaskSetFinished@../../cc/tiles/tile_manager.cc:318	77158	5338039	69.2
11	ScheduleAnimation@../../third_party/blink/renderer/core/svg/graphics/svg_image_chrome_client.cc:112	14675	4075968	277.7
12	ReduceMemoryUsage@../../cc/raster/staging_buffer_pool.cc:393	12397	3263335	263.2
13	DidReceiveCompositorFrameAckOnImplThread@../../cc/trees/single_thread_proxy.cc:445	36021	2490615	69.1
14	WillSwap@../../content/renderer/gpu/render_widget_compositor.cc:133	32314	2324239	71.9
15	Schedule@../../cc/base/unique_notifier.cc:35	25722	2288303	89.0
16	ScheduleEvictExpiredResourcesIn@../../cc/resources/resource_pool.cc:473	8774	1209150	137.8
17	DrawInternal@../../cc/trees/proxy_impl.cc:691	10152	858412	84.6
18	DidReceiveCompositorFrameAckOnImplThread@../../cc/trees/proxy_impl.cc:300	11604	812183	70.0
19	DidPresentCompositorFrameOnImplThread@../../cc/trees/proxy_impl.cc:487	2028	411287	202.8
20	ScheduleReduceMemoryUsage@../../cc/raster/staging_buffer_pool.cc:369	1277	396343	310.4
21	RequestDecode@../../content/renderer/gpu/render_widget_compositor.cc:1162	35	264429	7555.1
22	ScheduledActionBeginMainFrameNotExpectedUntil@../../cc/trees/proxy_impl.cc:637	2731	250747	91.8
23	PostMediaContextProviderToCallback@../../content/renderer/media/media_factory.cc:130	868	220397	253.9
24	SendBeginMainFrameNotExpectedSoon@../../cc/trees/proxy_impl.cc:629	1724	181069	105.0
25	PostAnimationEventsToMainThreadOnImplThread@../../cc/trees/proxy_impl.cc:359	755	75321	99.8
26	Notify@../../mojo/public/cpp/system/simple_watcher.cc:108	165	38905	235.8
27	PostImageToPlaceholder@../../third_party/blink/renderer/platform/graphics/canvas_resource_dispatcher.cc:123	82	5976	72.9
28	ProcessNextImageDecodeOnWorkerThread@../../cc/tiles/image_controller.cc:277	35	5757	164.5
29	Schedule@../../cc/trees/image_animation_controller.cc:428	29	4786	165.0
30	InitializeLayerTreeFrameSinkOnImpl@../../cc/trees/proxy_impl.cc:142	66	3465	52.5
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