Fix print context to work under slimming paint.

Source/core/page/PrintContextTest.cpp

 // 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 "config.h"
 #include "core/page/PrintContext.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
@@ skipping 13 matching lines @@
 
 namespace blink {
 
 const int kPageWidth = 800;
 const int kPageHeight = 600;
 
 class MockPrintContext : public PrintContext {
 public:
     MockPrintContext(LocalFrame* frame) : PrintContext(frame) { }
 
-    void outputLinkedDestinations(GraphicsContext& context, const IntRect& pageRect)
+    void outputLinkedDestinations(SkCanvas* canvas, const IntRect& pageRect)
     {
-        PrintContext::outputLinkedDestinations(context, pageRect);
+        PrintContext::outputLinkedDestinations(canvas, pageRect);
     }
 };
 
 class MockCanvas : public SkCanvas {
 public:
     enum OperationType {
         DrawRect,
         DrawPoint
     };
 
@@ skipping 49 matching lines @@
         IntRect pageRect(0, 0, kPageWidth, kPageHeight);
         document().view()->updateLayoutAndStyleForPainting();
         document().setPrinting(true);
         SkPictureBuilder pictureBuilder(pageRect);
         GraphicsContext& context = pictureBuilder.context();
         context.setPrinting(true);
         DeprecatedPaintLayer& rootLayer = *document().view()->layoutView()->layer();
         DeprecatedPaintLayerPaintingInfo paintingInfo(&rootLayer, LayoutRect(pageRect), PaintBehaviorNormal, LayoutSize());
         DeprecatedPaintLayerPainter(rootLayer).paintLayerContents(&context, paintingInfo, PaintLayerPaintingCompositingAllPhases);
         printContext().begin(kPageWidth, kPageHeight);
-        printContext().outputLinkedDestinations(context, pageRect);
         printContext().end();
         pictureBuilder.endRecording()->playback(&canvas);
+        printContext().outputLinkedDestinations(&canvas, pageRect);
         document().setPrinting(false);
     }
 
     static String absoluteBlockHtmlForLink(int x, int y, int width, int height, const char* url, const char* children = nullptr)
     {
         TextStream ts;
         ts << "<a style='position: absolute; left: " << x << "px; top: " << y << "px; width: " << width << "px; height: " << height
             << "px' href='" << url << "'>" << (children ? children : url) << "</a>";
         return ts.release();
     }
@@ skipping 250 matching lines @@
     EXPECT_SKRECT_EQ(150, 160, 170, 180, operations[1].rect);
     EXPECT_EQ(MockCanvas::DrawRect, operations[2].type);
     EXPECT_SKRECT_EQ(250, 260, 270, 280, operations[2].rect);
 
     subframe->detach();
     static_cast<SingleChildFrameLoaderClient*>(document().frame()->client())->setChild(nullptr);
     document().frame()->host()->decrementSubframeCount();
 }
 
 } // namespace blink