[gtk] Add fade-commit to instant suggestion for predictive instant.

app/multi_animation.h

 // Copyright (c) 2010 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.
 
 #ifndef APP_MULTI_ANIMATION_H_
 #define APP_MULTI_ANIMATION_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 43 matching lines @@
   // Returns the current value. The current value for a MultiAnimation is
   // determined from the tween type of the current part.
   virtual double GetCurrentValue() const { return current_value_; }
 
   // Returns the index of the current part.
   size_t current_part_index() const { return current_part_index_; }
 
  protected:
   // Animation overrides.
   virtual void Step(base::TimeTicks time_now);
+  virtual void SetStartTime(base::TimeTicks start_time);
 
  private:
   // Returns the part containing the specified time. |time_ms| is reset to be
   // relative to the part containing the time and |part_index| the index of the
   // part.
   const Part& GetPart(int* time_ms, size_t* part_index);
 
   // The parts that make up the animation.
   const Parts parts_;
 
   // Total time of all the parts.
   const int cycle_time_ms_;
 
   // Current value for the animation.
   double current_value_;
 
   // Index of the current part.
   size_t current_part_index_;
 
   // See description above setter.
   bool continuous_;
 
   DISALLOW_COPY_AND_ASSIGN(MultiAnimation);
 };
 
 #endif  // APP_MULTI_ANIMATION_H_