Merge RenderWidget into single subclass, RenderPart

Source/web/tests/WebFrameTest.cpp

Index: Source/web/tests/WebFrameTest.cpp
diff --git a/Source/web/tests/WebFrameTest.cpp b/Source/web/tests/WebFrameTest.cpp
index 7843934fc0f09ddb6ef58ca0c52987d5a8236ca1..728e5d744ad45f7c02cb2117fe0bd68b55c7194e 100644
--- a/Source/web/tests/WebFrameTest.cpp
+++ b/Source/web/tests/WebFrameTest.cpp
@@ -6085,7 +6085,7 @@ TEST_F(WebFrameTest, DISABLED_FrameViewScrollAccountsForTopControls)
     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);