android: Rename SwapBuffers to SwapFrames

chrome/browser/android/vr_shell/vr_compositor.cc

Index: chrome/browser/android/vr_shell/vr_compositor.cc
diff --git a/chrome/browser/android/vr_shell/vr_compositor.cc b/chrome/browser/android/vr_shell/vr_compositor.cc
index a5dd9ebd8cca5a22f578368cd1ad6abbe612e03b..9ea4284054a6098552536c3d97f9ecde07293a93 100644
--- a/chrome/browser/android/vr_shell/vr_compositor.cc
+++ b/chrome/browser/android/vr_shell/vr_compositor.cc
@@ -25,10 +25,6 @@ VrCompositor::~VrCompositor() {
   RestoreLayer();
 }
 
-void VrCompositor::UpdateLayerTreeHost() {}
-
-void VrCompositor::OnSwapBuffersCompleted(int pending_swap_buffers) {}
-
 void VrCompositor::SetLayer(content::WebContents* web_contents) {
   RestoreLayer();
   if (!web_contents) {