Throttle rendering pipeline for invisible frames

third_party/WebKit/Source/core/paint/PaintControllerPaintTest.h

 // Copyright 2015 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.
 
 #ifndef PaintControllerPaintTest_h
 #define PaintControllerPaintTest_h
 
 #include "core/frame/FrameView.h"
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutView.h"
@@ skipping 45 matching lines @@
         layoutView().layer()->graphicsLayerBacking()->setNeedsDisplay();
     }
     void setNeedsDisplayWithoutInvalidationForRoot()
     {
         layoutView().layer()->graphicsLayerBacking()->setNeedsDisplayWithoutInvalidateForTesting();
     }
 
     // Expose some document lifecycle steps for checking new display items before commiting.
     void updateLifecyclePhasesToPaintClean(const LayoutRect& interestRect = LayoutRect(LayoutRect::infiniteIntRect()))
     {
-        document().view()->updateLifecyclePhasesInternal(FrameView::OnlyUpToCompositingCleanPlusScrolling, nullptr);
+        document().view()->updateLifecyclePhasesInternal(FrameView::OnlyUpToCompositingCleanPlusScrolling, DocumentLifecycle::ThrottlingMode::Disallow, nullptr);

[esprehn, 2015/10/14 22:09:46]

ditto

[Sami, 2015/10/16 16:48:09]

Done.

         document().view()->invalidateTreeIfNeededRecursive();
         document().view()->updatePaintProperties();
         document().view()->synchronizedPaint(&interestRect);
     }
     void compositeForSlimmingPaintV2() { document().view()->compositeForSlimmingPaintV2(); }
 
 private:
     void SetUp() override
     {
         RuntimeEnabledFeatures::setSlimmingPaintV2Enabled(true);
@@ skipping 46 matching lines @@
 const DisplayItem::Type cachedBackgroundType = DisplayItem::drawingTypeToCachedDrawingType(backgroundType);
 const DisplayItem::Type foregroundType = DisplayItem::paintPhaseToDrawingType(PaintPhaseForeground);
 const DisplayItem::Type cachedForegroundType = DisplayItem::drawingTypeToCachedDrawingType(foregroundType);
 const DisplayItem::Type subsequenceType = DisplayItem::SubsequenceNormalFlowAndPositiveZOrder;
 const DisplayItem::Type endSubsequenceType = DisplayItem::subsequenceTypeToEndSubsequenceType(subsequenceType);
 const DisplayItem::Type cachedSubsequenceType = DisplayItem::subsequenceTypeToCachedSubsequenceType(subsequenceType);
 
 } // namespace blink
 
 #endif // PaintControllerPaintTest_h