Limit the size of latency info storage

cc/surfaces/display.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/surfaces/display.h"
 
 #include <stddef.h>
 
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 322 matching lines @@
           "Display::DrawAndSwap");
     }
     benchmark_instrumentation::IssueDisplayRenderingStatsEvent();
     renderer_->SwapBuffers(std::move(frame.metadata.latency_info));
     if (scheduler_)
       scheduler_->DidSwapBuffers();
   } else {
     if (have_damage && !size_matches)
       aggregator_->SetFullDamageForSurface(current_surface_id_);
     TRACE_EVENT_INSTANT0("cc", "Swap skipped.", TRACE_EVENT_SCOPE_THREAD);
-    stored_latency_info_.insert(stored_latency_info_.end(),
-                                frame.metadata.latency_info.begin(),
-                                frame.metadata.latency_info.end());
+
+    // Do not store more that the allowed size.
+    if (ui::LatencyInfo::Verify(frame.metadata.latency_info,
+                                "Display::DrawAndSwap")) {
+      stored_latency_info_.insert(stored_latency_info_.end(),
+                                  frame.metadata.latency_info.begin(),
+                                  frame.metadata.latency_info.end());
+    }
+
     if (scheduler_) {
       scheduler_->DidSwapBuffers();
       scheduler_->DidReceiveSwapBuffersAck();
     }
   }
 
   client_->DisplayDidDrawAndSwap();
   return true;
 }
 
@@ skipping 62 matching lines @@
 const SurfaceId& Display::CurrentSurfaceId() {
   return current_surface_id_;
 }
 
 void Display::ForceImmediateDrawAndSwapIfPossible() {
   if (scheduler_)
     scheduler_->ForceImmediateSwapIfPossible();
 }
 
 }  // namespace cc