Rename renderer() to layoutObject().

Source/core/layout/LayoutThemeTest.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/layout/LayoutTheme.h"
 
 #include "core/dom/NodeLayoutStyle.h"
 #include "core/frame/FrameView.h"
 #include "core/html/HTMLDocument.h"
@@ skipping 43 matching lines @@
 {
     return element->layoutStyle()->outlineStyle();
 }
 
 TEST_F(LayoutThemeTest, ChangeFocusRingColor)
 {
     setHtmlInnerHTML("<span id=span tabIndex=0>Span</span>");
 
     Element* span = document().getElementById(AtomicString("span"));
     EXPECT_NE(nullptr, span);
-    EXPECT_NE(nullptr, span->renderer());
+    EXPECT_NE(nullptr, span->layoutObject());
 
     Color customColor = makeRGB(123, 145, 167);
 
     // Checking unfocused style.
     EXPECT_EQ(BNONE, outlineStyle(span));
     EXPECT_NE(customColor, outlineColor(span));
 
     // Do focus.
     document().page()->focusController().setActive(true);
     document().page()->focusController().setFocused(true);
     span->focus();
     document().view()->updateLayoutAndStyleIfNeededRecursive();
 
     // Checking focused style.
     EXPECT_NE(BNONE, outlineStyle(span));
     EXPECT_NE(customColor, outlineColor(span));
 
     // Change focus ring color.
     LayoutTheme::theme().setCustomFocusRingColor(customColor);
     Page::platformColorsChanged();
     document().view()->updateLayoutAndStyleIfNeededRecursive();
 
     // Check that the focus ring color is updated.
     EXPECT_NE(BNONE, outlineStyle(span));
     EXPECT_EQ(customColor, outlineColor(span));
 }
 
 }