Implement progress bar spec (determinate and indeterminate).

ui/gfx/animation/slide_animation.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 "ui/gfx/animation/slide_animation.h"
 
 #include <math.h>
 
 namespace gfx {
 
-// How many frames per second to target.
-static const int kDefaultFrameRateHz = 60;
-
 // How long animations should take by default.
 static const int kDefaultDurationMs = 120;
 
 SlideAnimation::SlideAnimation(AnimationDelegate* target)
-    : LinearAnimation(kDefaultFrameRateHz, target),
+    : LinearAnimation(target),
       target_(target),
       tween_type_(Tween::EASE_OUT),
       showing_(false),
       value_start_(0),
       value_end_(0),
       value_current_(0),
-      slide_duration_(kDefaultDurationMs) {
-}
+      slide_duration_(kDefaultDurationMs) {}
 
 SlideAnimation::~SlideAnimation() {
 }
 
 void SlideAnimation::Reset() {
   Reset(0);
 }
 
 void SlideAnimation::Reset(double value) {
   Stop();
@@ skipping 68 matching lines @@
 
   // Correct for any overshoot (while state may be capped at 1.0, let's not
   // take any rounding error chances.
   if ((value_end_ >= value_start_ && value_current_ > value_end_) ||
       (value_end_ < value_start_ && value_current_ < value_end_)) {
     value_current_ = value_end_;
   }
 }
 
 }  // namespace gfx