Add sub-metrics for Event.Latency.TouchToFirstScrollUpdateSwapBegin

ui/events/latency_info.dot

 # dot -Tpdf ui/events/latency_info.dot > latency_info.pdf
 
 digraph g {
   node [shape=box];
 
   INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT ->
   INPUT_EVENT_LATENCY_UI_COMPONENT ->
   INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT ->
   INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT;
 
   INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT -> INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT [label="Event.Latency.Browser.*Acked"];
 
   INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT -> INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT;
   INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT -> INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT;
 
-  INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT -> INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT [label="Event.Latency.ScrollUpdate.HandledToRendererSwap_Main"];
-  INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT -> INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT [label="Event.Latency.ScrollUpdate.HandledToRendererSwap_Impl"];
+  INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT -> INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT [label="Event.Latency.Scroll*.*.HandledToRendererSwap2_Main"];
+  INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT -> INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT [label="Event.Latency.Scroll*.*.HandledToRendererSwap2_Impl"];
 
-  INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT -> INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT [label="Event.Latency.ScrollUpdate.RendererSwapToBrowserNotified"];
-  INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT -> INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT [label="Event.Latency.ScrollUpdate.BrowserNotifiedToBeforeGpuSwap"];
-  INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT -> INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT [label="Event.Latency.ScrollUpdate.GPUSwap"];
+  INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT -> INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT [label="Event.Latency.Scroll*.*.RendererSwapToBrowserNotified2"];
+  INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT -> INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT [label="Event.Latency.Scroll*.*.BrowserNotifiedToBeforeGpuSwap2"];
+  INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT -> INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT [label="Event.Latency.Scroll*.*.GpuSwap2"];
 
   INPUT_EVENT_LATENCY_UI_COMPONENT ->
   INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT ->
   INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT;
 
   edge[style="dashed"];
-  INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT -> INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT [label="Event.Latency.TouchToScrollUpdateSwapBegin"];
-  INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT -> INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT [label="Event.Latency.TouchToFirstScrollUpdateSwapBegin"];
+  INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT -> INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT [label="Event.Latency.ScrollUpdate.*.TimeToScrollUpdateSwapBegin2"];
+  INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT -> INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT [label="Event.Latency.ScrollBegin.*.TimeToScrollUpdateSwapBegin2"];
 
   INPUT_EVENT_LATENCY_UI_COMPONENT -> INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT [label="Event.Latency.Browser.*UI"];
-  INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT -> INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT [label="Event.Latency.ScrollUpdate.TouchToHandled_Main"];
-  INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT -> INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT [label="Event.Latency.ScrollUpdate.TouchToHandled_Impl"];
+  INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT -> INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT [label="Event.Latency.ScrollUpdate.*.TimeToHandled2_Main"];
+  INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT -> INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT [label="Event.Latency.ScrollUpdate.*.TimeToHandled2_Impl"];
 
+  INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT -> INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT [label="Event.Latency.ScrollBegin.*.TimeToHandled2_Main"];

[tdresser, 2016/11/24 14:56:04]

Seems like the usage of * is inconsistent, can we make this consistent?

And update the diagram in the doc?
https://docs.google.com/document/d/1EPKT652e2PcO1ysA7LQosGyyr1xmxbtiiiivNU3ln...)

+  INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT -> INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT [label="Event.Latency.ScrollBegin.*.TimeToHandled2_Impl"];
 
 }