Turn off computation of the interest rect in cc in synchronized paint mode.

content/public/common/content_switches.cc

 // Copyright (c) 2012 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 "content/public/common/content_switches.h"
 
 namespace switches {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
 // have an effect. 0 disables MSAA.
@@ skipping 419 matching lines @@
 // support. <http://crbug.com/166704>
 const char kEnableSeccompFilterSandbox[] =
     "enable-seccomp-filter-sandbox";
 
 // Enables the Skia benchmarking extension
 const char kEnableSkiaBenchmarking[]        = "enable-skia-benchmarking";
 
 // Enables slimming paint phase 2: http://www.chromium.org/blink/slimming-paint
 const char kEnableSlimmingPaintV2[]         = "enable-slimming-paint-v2";
 
+// Enables painting of Blink content from within the Blink document lifecycle
+// instead of on-request from the compositor.
+const char kEnableBlinkSynchronizedPainting[] =
+    "enable-blink-synchronized-painting";
+
 // On platforms that support it, enables smooth scroll animation.
 const char kEnableSmoothScrolling[]         = "enable-smooth-scrolling";
 
 // Enable spatial navigation
 const char kEnableSpatialNavigation[]       = "enable-spatial-navigation";
 
 // Enables StatsTable, logging statistics to a global named shared memory table.
 const char kEnableStatsTable[]              = "enable-stats-table";
 
 // Blocks all insecure requests from secure contexts, and prevents the user
@@ skipping 532 matching lines @@
 const char kMemoryPressureThresholdsMb[] = "memory-pressure-thresholds-mb";
 
 // Enables the exporting of the tracing events to ETW. This is only supported on
 // Windows Vista and later.
 const char kTraceExportEventsToETW[] = "trace-export-events-to-etw";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches