Update CompositorCC WebLayerTreeView usage for WebKit API change

ui/gfx/compositor/compositor.cc

 // Copyright (c) 2012 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 "ui/gfx/compositor/compositor.h"
 
 #include "base/command_line.h"
 #include "base/threading/thread_restrictions.h"
 #include "third_party/skia/include/images/SkImageEncoder.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ skipping 110 matching lines @@
       command_line->HasSwitch(switches::kUIShowLayerTree);
   settings.refreshRate = test_compositor_enabled ?
       kTestRefreshRate : kDefaultRefreshRate;
   settings.partialSwapEnabled =
       command_line->HasSwitch(switches::kUIEnablePartialSwap);
 #if defined(PER_TILE_PAINTING)
   settings.perTilePainting =
     command_line->HasSwitch(switches::kUIEnablePerTilePainting);
 #endif
 
+#if defined(WEBLAYERTREEVIEW_HAS_INITIALIZE)
+  host_.initialize(this, root_web_layer_, settings);
+#else
   host_ = WebKit::WebLayerTreeView::create(this, root_web_layer_, settings);
+#endif
   root_web_layer_.setAnchorPoint(WebKit::WebFloatPoint(0.f, 0.f));
   WidgetSizeChanged(size_);
 }
 
 Compositor::~Compositor() {
   // There's a cycle between |root_web_layer_| and |host_|, which results in
   // leaking and/or crashing. Explicitly set the root layer to NULL so the cycle
   // is broken.
   host_.setRootLayer(NULL);
   if (root_layer_)
@@ skipping 129 matching lines @@
   if (test_compositor_enabled) {
     ui::TestWebGraphicsContext3D* test_context =
       new ui::TestWebGraphicsContext3D();
    test_context->Initialize();
    return test_context;
   } else {
     return ContextFactory::GetInstance()->CreateContext(this);
   }
 }
 
+void Compositor::didRebindGraphicsContext(bool success) {
+}
+
+void Compositor::didCommitAndDrawFrame() {
+}
+
 void Compositor::didCompleteSwapBuffers() {
   NotifyEnd();
 }
 
-void Compositor::didRebindGraphicsContext(bool success) {
-}
-
 void Compositor::scheduleComposite() {
   ScheduleDraw();
 }
 
 void Compositor::SwizzleRGBAToBGRAAndFlip(unsigned char* pixels,
                                           const gfx::Size& image_size) {
   // Swizzle from RGBA to BGRA
   size_t bitmap_size = 4 * image_size.width() * image_size.height();
   for(size_t i = 0; i < bitmap_size; i += 4)
     std::swap(pixels[i], pixels[i + 2]);
@@ skipping 29 matching lines @@
 
 COMPOSITOR_EXPORT void DisableTestCompositor() {
   test_compositor_enabled = false;
 }
 
 COMPOSITOR_EXPORT bool IsTestCompositorEnabled() {
   return test_compositor_enabled;
 }
 
 }  // namespace ui