Merge RenderWidget into single subclass, RenderPart

Source/web/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 6067 matching lines @@
     // Show more, make sure the scroll actually gets clamped. Horizontal
     // direction shouldn't be affected.
     webView->applyViewportDeltas(WebSize(0, 0), 1.0f, 20.0f);
     webView->setMainFrameScrollOffset(WebPoint(100, 100));
     EXPECT_POINT_EQ(IntPoint(50, 70), IntPoint(frameView->scrollOffset()));
 
     // Hide until there's 10px showing.
     webView->applyViewportDeltas(WebSize(0, 0), 1.0f, -30.0f);
     EXPECT_POINT_EQ(IntPoint(50, 55), frameView->maximumScrollPosition());
 
-    // Simulate a RenderWidget::resize. The frame is resized to accomodate
+    // Simulate a RenderPart::resize. The frame is resized to accomodate
     // the top controls and Blink's view of the top controls matches that of
     // the CC
     webView->setTopControlsLayoutHeight(10.0f);
     webView->resize(WebSize(100, 90));
     webView->layout();
     EXPECT_POINT_EQ(IntPoint(50, 45), frameView->maximumScrollPosition());
 
     // Now simulate hiding.
     webView->applyViewportDeltas(WebSize(0, 0), 1.0f, -10.0f);
     EXPECT_POINT_EQ(IntPoint(50, 40), frameView->maximumScrollPosition());
@@ skipping 621 matching lines @@
     EXPECT_EQ(1u, frameClient.navigationalDataReceivedCount());
 
     // Neither should a page reload.
     localFrame->reload();
     EXPECT_EQ(4u, frameClient.provisionalLoadCount());
     EXPECT_FALSE(frameClient.wasLastProvisionalLoadATransition());
     EXPECT_EQ(1u, frameClient.navigationalDataReceivedCount());
 }
 
 } // namespace