[scheduler] Add a CHECK for renderer main thread load metrics.

third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc

Index: third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc b/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc
index 049f669e747200fbbc55131ac6166d6ac571e178..d9415752fc98bb48918f9e70d29226d9d38da931 100644
--- a/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc
+++ b/third_party/WebKit/Source/platform/scheduler/renderer/renderer_scheduler_impl.cc
@@ -55,7 +55,8 @@ void ReportForegroundRendererTaskLoad(base::TimeTicks time, double load) {
     return;
 
   int load_percentage = static_cast<int>(load * 100);
-  DCHECK_LE(load_percentage, 100);
+  // TODO(altimin): Revert back to DCHECK.
+  CHECK_LE(load_percentage, 100);
 
   UMA_HISTOGRAM_PERCENTAGE("RendererScheduler.ForegroundRendererMainThreadLoad",
                            load_percentage);
@@ -68,7 +69,8 @@ void ReportBackgroundRendererTaskLoad(base::TimeTicks time, double load) {
     return;
 
   int load_percentage = static_cast<int>(load * 100);
-  DCHECK_LE(load_percentage, 100);
+  // TODO(altimin): Revert back to DCHECK.
+  CHECK_LE(load_percentage, 100);
 
   UMA_HISTOGRAM_PERCENTAGE("RendererScheduler.BackgroundRendererMainThreadLoad",
                            load_percentage);