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 5797ab473c30aa4169f7136544aef5e3fe79e870..11a2a4e9026bbdf4eb98b5efc9c9f0c1e87b6429 100644
--- a/cc/worker_pool.cc
+++ b/cc/worker_pool.cc
@@ -59,12 +59,10 @@ void WorkerPoolTask::Completed() {
 
 WorkerPool::Worker::Worker(
     WorkerPool* worker_pool,
-    const std::string name,
-    scoped_ptr<RenderingStats> rendering_stats)
+    const std::string name)
     : base::Thread(name.c_str()),
       worker_pool_(worker_pool),
-      weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
-      rendering_stats_(rendering_stats.Pass()) {
+      weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
   Start();
   DCHECK(IsRunning());
 }
@@ -125,18 +123,15 @@ void WorkerPool::Worker::OnTaskCompleted() {
   worker_pool_->DidNumPendingTasksChange();
 }
 
-WorkerPool::WorkerPool(size_t num_threads, bool record_rendering_stats)
+WorkerPool::WorkerPool(size_t num_threads)
     : workers_need_sorting_(false),
       shutdown_(false) {
   const std::string thread_name_prefix = kWorkerThreadNamePrefix;
   while (workers_.size() < num_threads) {
     int thread_number = workers_.size() + 1;
-    scoped_ptr<RenderingStats> rendering_stats = record_rendering_stats ?
-        make_scoped_ptr(new RenderingStats) : scoped_ptr<RenderingStats>();
     workers_.push_back(new Worker(
         this,
-        thread_name_prefix + StringPrintf("Worker%d", thread_number).c_str(),
-        rendering_stats.Pass()));
+        thread_name_prefix + StringPrintf("Worker%d", thread_number).c_str()));
   }
 }
 
@@ -172,6 +167,15 @@ bool WorkerPool::IsBusy() {
   return worker->num_pending_tasks() >= kNumPendingTasksPerWorker;
 }
 
+void WorkerPool::SetRecordRenderingStats(bool record_rendering_stats) {
+  for (WorkerVector::iterator it = workers_.begin();
+       it != workers_.end(); ++it) {
+    Worker* worker = *it;
+    worker->SetRenderingStats(record_rendering_stats ?
+        make_scoped_ptr(new RenderingStats) : scoped_ptr<RenderingStats>());
+  }
+}
+
 void WorkerPool::GetRenderingStats(RenderingStats* stats) {
   stats->totalRasterizeTime = base::TimeDelta();
   stats->totalPixelsRasterized = 0;