[poc] curve-filter

third_party/WebKit/Source/core/frame/FrameView.cpp

Index: third_party/WebKit/Source/core/frame/FrameView.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index e6b21e12e5da41b7e33d16778dab6ec2b5e7c719..f1c6fcfa83b8434e5f07188a13c16a6f7d56ba27 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -94,6 +94,7 @@
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/graphics/GraphicsLayerDebugInfo.h"
+#include "platform/graphics/GraphicsScreen.h"
 #include "platform/graphics/paint/CullRect.h"
 #include "platform/graphics/paint/PaintController.h"
 #include "platform/scheduler/CancellableTaskFactory.h"
@@ -912,6 +913,10 @@ void FrameView::layout()
 
     TRACE_EVENT_BEGIN1("devtools.timeline", "Layout", "beginData", InspectorLayoutEvent::beginData(this));
 
+    // Shape layout code "paints" images during layout using imageBuffer, which needs to know the
+    // target paint device to draw the image for or upon: provide it.
+    WillPaintForDevice device(Page::screenId(page()));
+
     performPreLayoutTasks();
 
 #if !ENABLE(OILPAN)
@@ -2393,6 +2398,8 @@ void FrameView::updateLifecyclePhasesInternal(LifeCycleUpdateOption phases)
         return;
     }
 
+    WillPaintForDevice device(Page::screenId(page()));
+
     updateStyleAndLayoutIfNeededRecursive();
     ASSERT(lifecycle().state() >= DocumentLifecycle::LayoutClean);