gfx: Add FrameTime and DisplayTime classes

cc/trees/single_thread_proxy.cc

 // Copyright 2011 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 "cc/trees/single_thread_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/debug/trace_event.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/output/context_provider.h"
@@ skipping 341 matching lines @@
 
 bool SingleThreadProxy::IsInsideDraw() { return inside_draw_; }
 
 void SingleThreadProxy::DidLoseOutputSurfaceOnImplThread() {
   // Cause a commit so we can notice the lost context.
   SetNeedsCommitOnImplThread();
 }
 
 // Called by the legacy scheduling path (e.g. where render_widget does the
 // scheduling)
-void SingleThreadProxy::CompositeImmediately(base::TimeTicks frame_begin_time) {
+void SingleThreadProxy::CompositeImmediately(gfx::FrameTime frame_begin_time) {
   gfx::Rect device_viewport_damage_rect;
 
   LayerTreeHostImpl::FrameData frame;
   if (CommitAndComposite(frame_begin_time,
                          device_viewport_damage_rect,
                          false,  // for_readback
                          &frame)) {
     {
       DebugScopedSetMainThreadBlocked main_thread_blocked(this);
       DebugScopedSetImplThread impl(this);
@@ skipping 31 matching lines @@
   {
     DebugScopedSetImplThread impl(this);
     if (layer_tree_host_impl_->renderer()) {
       DCHECK(!layer_tree_host_->output_surface_lost());
       layer_tree_host_impl_->renderer()->DoNoOp();
     }
   }
 }
 
 bool SingleThreadProxy::CommitAndComposite(
-    base::TimeTicks frame_begin_time,
+    gfx::FrameTime frame_begin_time,
     gfx::Rect device_viewport_damage_rect,
     bool for_readback,
     LayerTreeHostImpl::FrameData* frame) {
   DCHECK(Proxy::IsMainThread());
 
   if (!layer_tree_host_->InitializeOutputSurfaceIfNeeded())
     return false;
 
   layer_tree_host_->AnimateLayers(frame_begin_time);
 
@@ skipping 42 matching lines @@
 }
 
 void SingleThreadProxy::UpdateBackgroundAnimateTicking() {
   DCHECK(Proxy::IsImplThread());
   layer_tree_host_impl_->UpdateBackgroundAnimateTicking(
       !ShouldComposite() && layer_tree_host_impl_->active_tree()->root_layer());
 }
 
 bool SingleThreadProxy::DoComposite(
     scoped_refptr<cc::ContextProvider> offscreen_context_provider,
-    base::TimeTicks frame_begin_time,
+    gfx::FrameTime frame_begin_time,
     gfx::Rect device_viewport_damage_rect,
     bool for_readback,
     LayerTreeHostImpl::FrameData* frame) {
   DCHECK(!layer_tree_host_->output_surface_lost());
 
   bool lost_output_surface = false;
   {
     DebugScopedSetImplThread impl(this);
     base::AutoReset<bool> mark_inside(&inside_draw_, true);
 
@@ skipping 42 matching lines @@
 void SingleThreadProxy::DidSwapFrame() {
   if (next_frame_is_newly_committed_frame_) {
     next_frame_is_newly_committed_frame_ = false;
     layer_tree_host_->DidCommitAndDrawFrame();
   }
 }
 
 bool SingleThreadProxy::CommitPendingForTesting() { return false; }
 
 }  // namespace cc