Convert video capture pipline to base::TimeTicks

content/browser/renderer_host/compositing_iosurface_mac.mm

 // 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/compositing_iosurface_mac.h"
 
 #include <OpenGL/CGLRenderers.h>
 #include <OpenGL/OpenGL.h>
 
 #include "base/bind.h"
@@ skipping 451 matching lines @@
     // by forcing the graphics pipeline to be completely drained at this
     // point. This workaround is not necessary on Mountain Lion.
     // http://crbug.com/318877 : work around a bug where the window does
     // not finish rendering its contents before displaying them on Mavericks
     // on Retina MacBook Pro when using the Intel HD graphics GPU.
     glFinish();
   }
 
   base::Closure copy_done_callback;
   if (frame_subscriber) {
-    const base::Time present_time = base::Time::Now();
+    const base::TimeTicks present_time = base::TimeTicks::Now();
     scoped_refptr<media::VideoFrame> frame;
     RenderWidgetHostViewFrameSubscriber::DeliverFrameCallback callback;
     if (frame_subscriber->ShouldCaptureFrame(present_time, &frame, &callback)) {
       copy_done_callback = CopyToVideoFrameWithinContext(
           gfx::Rect(pixel_io_surface_size_), true, frame,
           base::Bind(callback, present_time));
     }
   }
 
   bool result = true;
@@ skipping 556 matching lines @@
 }
 
 GLenum CompositingIOSurfaceMac::GetAndSaveGLError() {
   GLenum gl_error = glGetError();
   if (gl_error_ == GL_NO_ERROR)
     gl_error_ = gl_error;
   return gl_error;
 }
 
 }  // namespace content