Use refs for GraphicsContext

third_party/WebKit/Source/core/paint/FramePainter.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/paint/FramePainter.h"
 
 #include "core/editing/markers/DocumentMarkerController.h"
 #include "core/fetch/MemoryCache.h"
 #include "core/frame/FrameView.h"
@@ skipping 107 matching lines @@
 #if ENABLE(ASSERT)
     layoutView->assertSubtreeIsLaidOut();
     LayoutObject::SetLayoutNeededForbiddenScope forbidSetNeedsLayout(*rootLayer->layoutObject());
 #endif
 
     PaintLayerPainter layerPainter(*rootLayer);
 
     float deviceScaleFactor = blink::deviceScaleFactor(rootLayer->layoutObject()->frame());
     context.setDeviceScaleFactor(deviceScaleFactor);
 
-    layerPainter.paint(&context, LayoutRect(rect), localPaintFlags, layoutObject);
+    layerPainter.paint(context, LayoutRect(rect), localPaintFlags, layoutObject);
 
     if (rootLayer->containsDirtyOverlayScrollbars())
-        layerPainter.paintOverlayScrollbars(&context, LayoutRect(rect), localPaintFlags, layoutObject);
+        layerPainter.paintOverlayScrollbars(context, LayoutRect(rect), localPaintFlags, layoutObject);
 
     frameView().setIsPainting(false);
 
     // Regions may have changed as a result of the visibility/z-index of element changing.
     if (document->annotatedRegionsDirty())
         frameView().updateDocumentAnnotatedRegions();
 
     if (isTopLevelPainter) {
         // Everything that happens after paintContents completions is considered
         // to be part of the next frame.
         memoryCache()->updateFramePaintTimestamp();
         s_inPaintContents = false;
     }
 
-    InspectorInstrumentation::didPaint(layoutView, 0, &context, LayoutRect(rect));
+    InspectorInstrumentation::didPaint(layoutView, 0, context, LayoutRect(rect));
 }
 
 void FramePainter::paintScrollbars(GraphicsContext& context, const IntRect& rect)
 {
     if (frameView().horizontalScrollbar() && !frameView().layerForHorizontalScrollbar())
         paintScrollbar(context, *frameView().horizontalScrollbar(), rect);
     if (frameView().verticalScrollbar() && !frameView().layerForVerticalScrollbar())
         paintScrollbar(context, *frameView().verticalScrollbar(), rect);
 
     if (frameView().layerForScrollCorner())
@@ skipping 30 matching lines @@
     bar.paint(context, CullRect(rect));
 }
 
 const FrameView& FramePainter::frameView()
 {
     ASSERT(m_frameView);
     return *m_frameView;
 }
 
 } // namespace blink