Remove unused methods and vars from BottomSheet

Bug: 814528
Change-Id: I3abfcf7c13e95964ad4d21488e2fad82c96dd4c7
Reviewed-on: https://chromium-review.googlesource.com/987619Reviewed-by: Theresa <twellington@chromium.org>
Commit-Queue: Matthew Jones <mdjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#547453}

chrome/android/java/src/org/chromium/chrome/browser/contextual_suggestions/ContextualSuggestionsBottomSheetContent.java

@@ -45,11 +45,6 @@ public class ContextualSuggestionsBottomSheetContent implements BottomSheetConte
     @Override
     public void destroy() {}
 
-    @Override
-    public boolean applyDefaultTopPadding() {
-        return false;
-    }
-
     @Override
     public @ContentPriority int getPriority() {
         return ContentPriority.LOW;

chrome/android/java/src/org/chromium/chrome/browser/widget/bottomsheet/BottomSheet.java

@@ -254,9 +254,6 @@ public class BottomSheet extends FrameLayout
     /** Whether or not scroll events are currently being blocked for the 'velocity' swipe logic. */
     private boolean mVelocityLogicBlockSwipe;
 
-    /** The speed of the swipe the last time the sheet was opened. */
-    private long mLastSheetOpenMicrosPerDp;
-
     /**
      * An interface defining content that can be displayed inside of the bottom sheet for Chrome
      * Home.
@@ -288,11 +285,6 @@ public class BottomSheet extends FrameLayout
          */
         void destroy();
 
-        /**
-         * @return Whether the default top padding should be applied to the content view.
-         */
-        boolean applyDefaultTopPadding();
-
         /**
          * @return The priority of this content.
          */
@@ -344,8 +336,6 @@ public class BottomSheet extends FrameLayout
                                          currentEvent.getX(), currentEvent.getY())
                 / mDpToPx;
         long timeDeltaMs = currentEvent.getEventTime() - initialEvent.getDownTime();
-        mLastSheetOpenMicrosPerDp =
-                Math.round(scrollDistanceDp > 0f ? timeDeltaMs * 1000 / scrollDistanceDp : 0f);
 
         String logicType = FeatureUtilities.getChromeHomeSwipeLogicType();