android: Use a hard coded BeginFrame deadline

content/browser/renderer_host/render_widget_host_view_android.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 "content/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include "base/android/build_info.h"
 #include "base/basictypes.h"
@@ skipping 1482 matching lines @@
   observing_root_window_ = false;
   content_view_core_window_android_->RemoveObserver(this);
 }
 
 void RenderWidgetHostViewAndroid::SendBeginFrame(base::TimeTicks frame_time,
                                                  base::TimeDelta vsync_period) {
   TRACE_EVENT1("cc", "RenderWidgetHostViewAndroid::SendBeginFrame",
                "frame_time_us", frame_time.ToInternalValue());
 
   if (using_browser_compositor_) {
-    base::TimeTicks display_time = frame_time + vsync_period;
-
-    base::TimeTicks deadline =
-        display_time - host_->GetEstimatedBrowserCompositeTime();
+    // TODO(brianderson): Replace this hardcoded deadline after Android
+    // switches to Surfaces and the Browser's commit isn't in the critcal path.
+    base::TimeTicks deadline = frame_time + (vsync_period * 0.6);
 
     host_->Send(new ViewMsg_BeginFrame(
         host_->GetRoutingID(),
         cc::BeginFrameArgs::Create(BEGINFRAME_FROM_HERE, frame_time, deadline,
                                    vsync_period, cc::BeginFrameArgs::NORMAL)));
   } else {
     SynchronousCompositorImpl* compositor = SynchronousCompositorImpl::FromID(
         host_->GetProcess()->GetID(), host_->GetRoutingID());
     if (compositor) {
       // The synchronous compositor synchronously does it's work in this call.
@@ skipping 530 matching lines @@
   results->orientationAngle = display.RotationAsDegree();
   results->orientationType =
       RenderWidgetHostViewBase::GetOrientationTypeForMobile(display);
   gfx::DeviceDisplayInfo info;
   results->depth = info.GetBitsPerPixel();
   results->depthPerComponent = info.GetBitsPerComponent();
   results->isMonochrome = (results->depthPerComponent == 0);
 }
 
 } // namespace content