diff -up chromium-75.0.3770.80/cc/scheduler/compositor_frame_reporting_controller.cc.gcc-dcheck_ne-fix chromium-75.0.3770.80/cc/scheduler/compositor_frame_reporting_controller.cc

--- chromium-75.0.3770.80/cc/scheduler/compositor_frame_reporting_controller.cc.gcc-dcheck_ne-fix	2019-06-06 12:42:27.431575032 -0400

+++ chromium-75.0.3770.80/cc/scheduler/compositor_frame_reporting_controller.cc	2019-06-06 12:43:05.692848409 -0400

@@ -31,8 +31,8 @@ void CompositorFrameReportingController:

 void CompositorFrameReportingController::WillBeginMainFrame() {

   DCHECK(reporters_[PipelineStage::kBeginImplFrame]);

-  DCHECK_NE(reporters_[PipelineStage::kBeginMainFrame],

-            reporters_[PipelineStage::kBeginImplFrame]);

+  DCHECK(reporters_[PipelineStage::kBeginMainFrame] !=

+         reporters_[PipelineStage::kBeginImplFrame]);

   reporters_[PipelineStage::kBeginImplFrame]->StartStage(

       "SendBeginMainFrameToCommit");

   AdvanceReporterStage(PipelineStage::kBeginImplFrame,