Revert of Gamepad API support for chrome on android

content/public/android/java/src/org/chromium/content/browser/input/GamepadMappings.java

Index: content/public/android/java/src/org/chromium/content/browser/input/GamepadMappings.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/GamepadMappings.java b/content/public/android/java/src/org/chromium/content/browser/input/GamepadMappings.java
deleted file mode 100644
index 7c171ebfcd3c42cab169a8a2dd4b65e6fbd7109d..0000000000000000000000000000000000000000
--- a/content/public/android/java/src/org/chromium/content/browser/input/GamepadMappings.java
+++ /dev/null
@@ -1,134 +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.input;
-
-import android.view.KeyEvent;
-
-/**
- * Class to manage mapping information related to each supported gamepad controller device.
- */
-class GamepadMappings {
-    public static boolean mapToStandardGamepad(float[] mappedAxis, float[] mappedButtons,
-            float[] rawAxes, float[] rawButtons, String deviceName) {
-        if (deviceName.contains("NVIDIA Corporation NVIDIA Controller")) {
-            mapShieldGamepad(mappedButtons, rawButtons, mappedAxis, rawAxes);
-            return true;
-        } else if (deviceName.contains("Microsoft X-Box 360 pad")) {
-            mapXBox360Gamepad(mappedButtons, rawButtons, mappedAxis, rawAxes);
-            return true;
-        }
-
-        mapUnknownGamepad(mappedButtons, rawButtons, mappedAxis, rawAxes);
-        return false;
-    }
-
-    private static void mapCommonButtons(float[] mappedButtons, float[] rawButtons) {
-        mappedButtons[CanonicalButtonIndex.BUTTON_PRIMARY] = rawButtons[KeyEvent.KEYCODE_BUTTON_A];
-        mappedButtons[CanonicalButtonIndex.BUTTON_SECONDARY] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_B];
-        mappedButtons[CanonicalButtonIndex.BUTTON_TERTIARY] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_X];
-        mappedButtons[CanonicalButtonIndex.BUTTON_QUATERNARY] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_Y];
-        mappedButtons[CanonicalButtonIndex.BUTTON_LEFT_SHOULDER] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_L1];
-        mappedButtons[CanonicalButtonIndex.BUTTON_RIGHT_SHOULDER] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_R1];
-        mappedButtons[CanonicalButtonIndex.BUTTON_BACK_SELECT] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_SELECT];
-        mappedButtons[CanonicalButtonIndex.BUTTON_START] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_START];
-        mappedButtons[CanonicalButtonIndex.BUTTON_LEFT_THUMBSTICK] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_THUMBL];
-        mappedButtons[CanonicalButtonIndex.BUTTON_RIGHT_THUMBSTICK] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_THUMBR];
-        mappedButtons[CanonicalButtonIndex.BUTTON_META] = rawButtons[KeyEvent.KEYCODE_BUTTON_MODE];
-    }
-
-    private static void mapDpadButtonsToAxes(float[] mappedButtons, float[] rawAxes) {
-        // Negative value indicates dpad up.
-        mappedButtons[CanonicalButtonIndex.BUTTON_DPAD_UP] = negativeAxisValueAsButton(rawAxes[9]);
-        // Positive axis value indicates dpad down.
-        mappedButtons[CanonicalButtonIndex.BUTTON_DPAD_DOWN] =
-                positiveAxisValueAsButton(rawAxes[9]);
-        // Positive axis value indicates dpad right.
-        mappedButtons[CanonicalButtonIndex.BUTTON_DPAD_RIGHT] =
-                positiveAxisValueAsButton(rawAxes[8]);
-        // Negative value indicates dpad left.
-        mappedButtons[CanonicalButtonIndex.BUTTON_DPAD_LEFT] =
-                negativeAxisValueAsButton(rawAxes[8]);
-    }
-
-    private static void mapAxes(float[] mappedAxis, float[] rawAxes) {
-        // Standard gamepad can have only four axes.
-        mappedAxis[CanonicalAxisIndex.AXIS_LEFT_STICK_X] = rawAxes[0];
-        mappedAxis[CanonicalAxisIndex.AXIS_LEFT_STICK_Y] = rawAxes[1];
-        mappedAxis[CanonicalAxisIndex.AXIS_RIGHT_STICK_X] = rawAxes[4];
-        mappedAxis[CanonicalAxisIndex.AXIS_RIGHT_STICK_Y] = rawAxes[5];
-    }
-
-    private static float negativeAxisValueAsButton(float input) {
-        return (input < -0.5f) ? 1.f : 0.f;
-    }
-
-    private static float positiveAxisValueAsButton(float input) {
-        return (input > 0.5f) ? 1.f : 0.f;
-    }
-
-    /**
-     * Method for mapping Nvidia gamepad axis and button values
-     * to standard gamepad button and axes values.
-     */
-    private static void mapShieldGamepad(float[] mappedButtons, float[] rawButtons,
-            float[] mappedAxis, float[] rawAxes) {
-        mapCommonButtons(mappedButtons, rawButtons);
-
-        mappedButtons[CanonicalButtonIndex.BUTTON_LEFT_TRIGGER] = rawAxes[2];
-        mappedButtons[CanonicalButtonIndex.BUTTON_RIGHT_TRIGGER] = rawAxes[6];
-
-        mapDpadButtonsToAxes(mappedButtons, rawAxes);
-        mapAxes(mappedAxis, rawAxes);
-    }
-
-    /**
-     * Method for mapping Microsoft XBox 360 gamepad axis and button values
-     * to standard gamepad button and axes values.
-     */
-    private static void mapXBox360Gamepad(float[] mappedButtons, float[] rawButtons,
-            float[] mappedAxis, float[] rawAxes) {
-        mapCommonButtons(mappedButtons, rawButtons);
-
-        mappedButtons[CanonicalButtonIndex.BUTTON_LEFT_TRIGGER] = rawAxes[2];
-        mappedButtons[CanonicalButtonIndex.BUTTON_RIGHT_TRIGGER] = rawAxes[6];
-
-        mapDpadButtonsToAxes(mappedButtons, rawAxes);
-        mapAxes(mappedAxis, rawAxes);
-    }
-
-    /**
-     * Method for mapping Unkown gamepad axis and button values
-     * to standard gamepad button and axes values.
-     */
-    private static void mapUnknownGamepad(float[] mappedButtons, float[] rawButtons,
-            float[] mappedAxis, float[] rawAxes) {
-        mapCommonButtons(mappedButtons, rawButtons);
-
-        mappedButtons[CanonicalButtonIndex.BUTTON_LEFT_TRIGGER] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_L2];
-        mappedButtons[CanonicalButtonIndex.BUTTON_RIGHT_TRIGGER] =
-                rawButtons[KeyEvent.KEYCODE_BUTTON_R2];
-
-        mappedButtons[CanonicalButtonIndex.BUTTON_DPAD_UP] = rawButtons[KeyEvent.KEYCODE_DPAD_UP];
-        mappedButtons[CanonicalButtonIndex.BUTTON_DPAD_DOWN] =
-                rawButtons[KeyEvent.KEYCODE_DPAD_DOWN];
-        mappedButtons[CanonicalButtonIndex.BUTTON_DPAD_RIGHT] =
-                rawButtons[KeyEvent.KEYCODE_DPAD_RIGHT];
-        mappedButtons[CanonicalButtonIndex.BUTTON_DPAD_LEFT] =
-                rawButtons[KeyEvent.KEYCODE_DPAD_LEFT];
-
-        mapAxes(mappedAxis, rawAxes);
-    }
-
-}