Toolbar: Delete unused code in bottom bar

Bottom toolbar does not to support swipe gesture. This CL deletes the
code that handled it in ScrollingBottomViewResourceFrameLayout.

Bug: 1127732
Change-Id: I058005c7f6acceda6872ad99c7cd52ac277fb82b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2428517Reviewed-by: Matthew Jones <mdjones@chromium.org>
Commit-Queue: Jinsuk Kim <jinsukkim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814029}

chrome/android/java/src/org/chromium/chrome/browser/toolbar/bottom/ScrollingBottomViewResourceFrameLayout.java

@@ -9,11 +9,8 @@ import android.graphics.Canvas;
 import android.graphics.PorterDuff;
 import android.graphics.Rect;
 import android.util.AttributeSet;
-import android.view.MotionEvent;
 
 import org.chromium.chrome.R;
-import org.chromium.chrome.browser.compositor.layouts.eventfilter.EdgeSwipeHandler;
-import org.chromium.chrome.browser.contextualsearch.SwipeRecognizer;
 import org.chromium.components.browser_ui.widget.ViewResourceFrameLayout;
 import org.chromium.ui.resources.dynamics.ViewResourceAdapter;
 
@@ -28,44 +25,11 @@ public class ScrollingBottomViewResourceFrameLayout extends ViewResourceFrameLay
     /** The height of the shadow sitting above the bottom view in px. */
     private final int mTopShadowHeightPx;
 
-    /** A swipe recognizer for handling swipe gestures. */
-    private SwipeRecognizer mSwipeRecognizer;
-
     public ScrollingBottomViewResourceFrameLayout(Context context, AttributeSet attrs) {
         super(context, attrs);
         mTopShadowHeightPx = getResources().getDimensionPixelOffset(R.dimen.toolbar_shadow_height);
     }
 
-    /**
-     * Set the swipe handler for this view and set {@link #isClickable()} to true to allow motion
-     * events to be intercepted by the view itself.
-     * @param handler A handler for swipe events on this view.
-     */
-    public void setSwipeDetector(EdgeSwipeHandler handler) {
-        mSwipeRecognizer = new SwipeRecognizer(getContext());
-        mSwipeRecognizer.setSwipeHandler(handler);
-
-        // TODO(mdjones): This line of code makes it impossible to scroll through the bottom
-        // toolbar. If the user accidentally swipes up on this view, the scroll no longer goes
-        // through to the web contents. We should figure out how to make this work while also
-        // supporting the toolbar swipe behavior.
-        setClickable(true);
-    }
-
-    @Override
-    public boolean onInterceptTouchEvent(MotionEvent event) {
-        boolean handledEvent = false;
-        if (mSwipeRecognizer != null) handledEvent = mSwipeRecognizer.onTouchEvent(event);
-        return handledEvent || super.onInterceptTouchEvent(event);
-    }
-
-    @Override
-    public boolean onTouchEvent(MotionEvent event) {
-        boolean handledEvent = false;
-        if (mSwipeRecognizer != null) handledEvent = mSwipeRecognizer.onTouchEvent(event);
-        return handledEvent || super.onTouchEvent(event);
-    }
-
     @Override
     protected ViewResourceAdapter createResourceAdapter() {
         return new ViewResourceAdapter(this) {