Add EventForwarder for routing touch events

content/public/android/java/src/org/chromium/content/browser/SPenSupport.java

Index: content/public/android/java/src/org/chromium/content/browser/SPenSupport.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/SPenSupport.java b/content/public/android/java/src/org/chromium/content/browser/SPenSupport.java
deleted file mode 100644
index 62fb90c6fcea95734d7bdffe3878bb98eb98b21f..0000000000000000000000000000000000000000
--- a/content/public/android/java/src/org/chromium/content/browser/SPenSupport.java
+++ /dev/null
@@ -1,70 +0,0 @@
-// Copyright 2014 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.
-
-package org.chromium.content.browser;
-
-import android.content.Context;
-import android.content.pm.FeatureInfo;
-import android.os.Build;
-import android.view.MotionEvent;
-
-/**
- * Support S-Pen event detection and conversion.
- */
-public final class SPenSupport {
-
-    // These values are obtained from Samsung.
-    private static final int SPEN_ACTION_DOWN = 211;
-    private static final int SPEN_ACTION_UP = 212;
-    private static final int SPEN_ACTION_MOVE = 213;
-    private static final int SPEN_ACTION_CANCEL = 214;
-    private static Boolean sIsSPenSupported;
-
-    /**
-     * @return Whether SPen is supported on the device.
-     */
-    public static boolean isSPenSupported(Context context) {
-        if (sIsSPenSupported == null) {
-            sIsSPenSupported = detectSPenSupport(context);
-        }
-        return sIsSPenSupported.booleanValue();
-    }
-
-    private static boolean detectSPenSupport(Context context) {
-        if (!"SAMSUNG".equalsIgnoreCase(Build.MANUFACTURER)) {
-            return false;
-        }
-
-        final FeatureInfo[] infos = context.getPackageManager().getSystemAvailableFeatures();
-        for (FeatureInfo info : infos) {
-            if ("com.sec.feature.spen_usp".equalsIgnoreCase(info.name)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    /**
-     * Convert SPen event action into normal event action.
-     *
-     * @param eventActionMasked Input event action. It is assumed that it is masked as the values
-                                cannot be ORed.
-     * @return Event action after the conversion.
-     */
-    public static int convertSPenEventAction(int eventActionMasked) {
-        // S-Pen support: convert to normal stylus event handling
-        switch (eventActionMasked) {
-            case SPEN_ACTION_DOWN:
-                return MotionEvent.ACTION_DOWN;
-            case SPEN_ACTION_UP:
-                return MotionEvent.ACTION_UP;
-            case SPEN_ACTION_MOVE:
-                return MotionEvent.ACTION_MOVE;
-            case SPEN_ACTION_CANCEL:
-                return MotionEvent.ACTION_CANCEL;
-            default:
-                return eventActionMasked;
-        }
-    }
-}