[poc] curve-filter

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
index c8ea114f4089f8b0d4d649f386af1f8c356ddea9..f2d8d80727a518d30a005c3a16b1ff44a89cb43d 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
@@ -174,6 +174,7 @@
 #include "platform/fonts/FontCache.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/GraphicsLayerClient.h"
+#include "platform/graphics/GraphicsScreen.h"
 #include "platform/graphics/paint/ClipRecorder.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
 #include "platform/graphics/paint/SkPictureBuilder.h"
@@ -360,6 +361,10 @@ public:
 
     float spoolSinglePage(WebCanvas* canvas, int pageNumber)
     {
+        WillPaintForDevice device(ScreenDevice::sRGBPrint); // FIXME: pdfium.
+        if (!frame()->page())
+            return 0;
+
         dispatchEventsForPrintingOnAllFrames();
         if (!frame()->document() || !frame()->document()->layoutView())
             return 0;
@@ -379,6 +384,10 @@ public:
 
     void spoolAllPagesWithBoundaries(WebCanvas* canvas, const FloatSize& pageSizeInPixels)
     {
+        WillPaintForDevice device(ScreenDevice::sRGBPrint); // FIXME: pdfium.
+        if (!frame()->page())
+            return;
+
         dispatchEventsForPrintingOnAllFrames();
         if (!frame()->document() || !frame()->document()->layoutView())
             return;