Use scroll-boundary-behavior to control overscroll-refresh/glow on android.

ui/android/overscroll_glow.h

Index: ui/android/overscroll_glow.h
diff --git a/ui/android/overscroll_glow.h b/ui/android/overscroll_glow.h
index 8253de04575409bc89361f322adc9399fa1c124f..740f89d60954908f0d80fdc0f0683ea8b254c19c 100644
--- a/ui/android/overscroll_glow.h
+++ b/ui/android/overscroll_glow.h
@@ -36,7 +36,6 @@ class UI_ANDROID_EXPORT OverscrollGlowClient {
  */
 class UI_ANDROID_EXPORT OverscrollGlow {
  public:
-  // |client| must be valid for the duration of the effect's lifetime.

[majidvp, 2017/07/20 13:26:55]

Why remove this? This is still true for normal operation of this class no? 

[sunyunjia, 2017/07/21 13:52:23]

Added it back. I was thinking of the test case.

   // The effect is enabled by default, but will remain dormant until the first
   // overscroll event.
   explicit OverscrollGlow(OverscrollGlowClient* client);
@@ -47,11 +46,11 @@ class UI_ANDROID_EXPORT OverscrollGlow {
   // |velocity| is in device pixels / second.
   // |overscroll_location| is the coordinate of the causal overscrolling event.
   // Returns true if the effect still needs animation ticks.
-  bool OnOverscrolled(base::TimeTicks current_time,
-                      const gfx::Vector2dF& accumulated_overscroll,
-                      gfx::Vector2dF overscroll_delta,
-                      gfx::Vector2dF velocity,
-                      const gfx::Vector2dF& overscroll_location);
+  virtual bool OnOverscrolled(base::TimeTicks current_time,
+                              const gfx::Vector2dF& accumulated_overscroll,
+                              gfx::Vector2dF overscroll_delta,
+                              gfx::Vector2dF velocity,
+                              const gfx::Vector2dF& overscroll_location);
 
   // Returns true if the effect still needs animation ticks, with effect layers
   // attached to |parent_layer| if necessary.