Making GraphicsContext the owner of PlatformContext.

Source/WebKit/chromium/tests/WebFrameTest.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 829 matching lines @@
     // Set <1 page scale so that the clip rect should be larger than
     // the viewport size as passed into resize().
     m_webView->setPageScaleFactor(0.5, WebPoint());
 
     SkBitmap bitmap;
     bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
     bitmap.allocPixels();
     bitmap.eraseColor(0);
     SkCanvas canvas(bitmap);
 
-    WebCore::PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    WebCore::GraphicsContext context(&platformContext);
+    WebCore::GraphicsContext context(&canvas);
+    WebCore::PlatformContextSkia* platformContext = context.platformContext();
+    platformContext->setTrackOpaqueRegion(true);
 
-    EXPECT_EQ_RECT(WebCore::IntRect(0, 0, 0, 0), platformContext.opaqueRegion().asRect());
+    EXPECT_EQ_RECT(WebCore::IntRect(0, 0, 0, 0), platformContext->opaqueRegion().asRect());
 
     WebCore::FrameView* view = static_cast<WebViewImpl*>(m_webView)->mainFrameImpl()->frameView();
     WebCore::IntRect paintRect(0, 0, 200, 200);
     view->paint(&context, paintRect);
 
     int viewportWidthMinusScrollbar = 50 - (view->verticalScrollbar()->isOverlayScrollbar() ? 0 : 15);
     int viewportHeightMinusScrollbar = 50 - (view->horizontalScrollbar()->isOverlayScrollbar() ? 0 : 15);
     WebCore::IntRect clippedRect(0, 0, viewportWidthMinusScrollbar * 2, viewportHeightMinusScrollbar * 2);
-    EXPECT_EQ_RECT(clippedRect, platformContext.opaqueRegion().asRect());
+    EXPECT_EQ_RECT(clippedRect, platformContext->opaqueRegion().asRect());
 }
 
 TEST_F(WebFrameTest, CanOverrideMaximumScaleFactor)
 {
     registerMockedHttpURLLoad("no_scale_for_you.html");
 
     FixedLayoutTestWebViewClient client;
     client.m_screenInfo.deviceScaleFactor = 1;
     int viewportWidth = 640;
     int viewportHeight = 480;
@@ skipping 1979 matching lines @@
     EXPECT_FALSE(client.wasProgrammaticScroll());
     EXPECT_TRUE(client.wasUserScroll());
     client.reset();
 
     m_webView->close();
     m_webView = 0;
 }
 
 
 } // namespace