cc: add rasterize time to continuous painting graph data in impl-side-painting

cc/worker_pool.cc

Index: cc/worker_pool.cc
diff --git a/cc/worker_pool.cc b/cc/worker_pool.cc
index 7d3428aa74d2f8bde286b73cb418549fb1504a70..a302babbbcac0b2fc63b3e23607d7e6217d56a5b 100644
--- a/cc/worker_pool.cc
+++ b/cc/worker_pool.cc
@@ -180,6 +180,7 @@ void WorkerPool::SetRecordRenderingStats(bool record_rendering_stats) {
 
 void WorkerPool::GetRenderingStats(RenderingStats* stats) {
   stats->totalRasterizeTime = base::TimeDelta();
+  stats->totalRasterizeTimeForNowBinsOnPendingTree = base::TimeDelta();
   stats->totalPixelsRasterized = 0;
   stats->totalDeferredImageDecodeCount = 0;
   stats->totalDeferredImageDecodeTime = base::TimeDelta();
@@ -189,6 +190,8 @@ void WorkerPool::GetRenderingStats(RenderingStats* stats) {
     CHECK(worker->rendering_stats());
     stats->totalRasterizeTime +=
         worker->rendering_stats()->totalRasterizeTime;
+    stats->totalRasterizeTimeForNowBinsOnPendingTree +=
+        worker->rendering_stats()->totalRasterizeTimeForNowBinsOnPendingTree;
     stats->totalPixelsRasterized +=
         worker->rendering_stats()->totalPixelsRasterized;
     stats->totalDeferredImageDecodeCount +=