android: Rename SwapBuffers to SwapFrames

chrome/browser/android/vr_shell/vr_compositor.cc

 // Copyright 2016 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 "chrome/browser/android/vr_shell/vr_compositor.h"
 
 #include <utility>
 
 #include "cc/layers/layer.h"
 #include "cc/layers/solid_color_layer.h"
 #include "content/public/browser/android/compositor.h"
 #include "content/public/browser/web_contents.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/android/window_android.h"
 
 namespace vr_shell {
 
 VrCompositor::VrCompositor(ui::WindowAndroid* window, bool transparent)
     : background_color_(SK_ColorWHITE), transparent_(transparent) {
   compositor_.reset(content::Compositor::Create(this, window));
   compositor_->SetHasTransparentBackground(transparent);
 }
 
 VrCompositor::~VrCompositor() {
   RestoreLayer();
 }
 
-void VrCompositor::UpdateLayerTreeHost() {}
-
-void VrCompositor::OnSwapBuffersCompleted(int pending_swap_buffers) {}
-
 void VrCompositor::SetLayer(content::WebContents* web_contents) {
   RestoreLayer();
   if (!web_contents) {
     scoped_refptr<cc::SolidColorLayer> layer = cc::SolidColorLayer::Create();
     layer->SetBackgroundColor(SK_ColorTRANSPARENT);
     compositor_->SetRootLayer(std::move(layer));
     return;
   }
   ui::ViewAndroid* view_android = web_contents->GetNativeView();
 
@@ skipping 27 matching lines @@
 
 void VrCompositor::SetWindowBounds(gfx::Size size) {
   compositor_->SetWindowBounds(size);
 }
 
 void VrCompositor::SurfaceChanged(jobject surface) {
   compositor_->SetSurface(surface);
 }
 
 }  // namespace vr_shell