Remove third_party/polymer from .gitignore

third_party/polymer/v1_0/components/iron-behaviors/iron-button-state.html

Index: third_party/polymer/v1_0/components/iron-behaviors/iron-button-state.html
diff --git a/third_party/polymer/v1_0/components/iron-behaviors/iron-button-state.html b/third_party/polymer/v1_0/components/iron-behaviors/iron-button-state.html
deleted file mode 100644
index fc52e172f920d899737e5800564b8730cff3764e..0000000000000000000000000000000000000000
--- a/third_party/polymer/v1_0/components/iron-behaviors/iron-button-state.html
+++ /dev/null
@@ -1,186 +0,0 @@
-<!--
-@license
-Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
-This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
-The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
-The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
-Code distributed by Google as part of the polymer project is also
-subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
--->
-
-<link rel="import" href="../polymer/polymer.html">
-<link rel="import" href="../iron-a11y-keys-behavior/iron-a11y-keys-behavior.html">
-<link rel="import" href="iron-control-state.html">
-
-<script>
-
-  /**
-   * @demo demo/index.html
-   * @polymerBehavior Polymer.IronButtonState
-   */
-  Polymer.IronButtonStateImpl = {
-
-    properties: {
-
-      /**
-       * If true, the user is currently holding down the button.
-       */
-      pressed: {
-        type: Boolean,
-        readOnly: true,
-        value: false,
-        reflectToAttribute: true,
-        observer: '_pressedChanged'
-      },
-
-      /**
-       * If true, the button toggles the active state with each tap or press
-       * of the spacebar.
-       */
-      toggles: {
-        type: Boolean,
-        value: false,
-        reflectToAttribute: true
-      },
-
-      /**
-       * If true, the button is a toggle and is currently in the active state.
-       */
-      active: {
-        type: Boolean,
-        value: false,
-        notify: true,
-        reflectToAttribute: true,
-        observer: '_activeChanged'
-      },
-
-      /**
-       * True if the element is currently being pressed by a "pointer," which
-       * is loosely defined as mouse or touch input (but specifically excluding
-       * keyboard input).
-       */
-      pointerDown: {
-        type: Boolean,
-        readOnly: true,
-        value: false
-      },
-
-      /**
-       * True if the input device that caused the element to receive focus
-       * was a keyboard.
-       */
-      receivedFocusFromKeyboard: {
-        type: Boolean,
-        readOnly: true
-      }
-    },
-
-    listeners: {
-      down: '_downHandler',
-      up: '_upHandler',
-      tap: '_tapHandler'
-    },
-
-    observers: [
-      '_detectKeyboardFocus(focused)'
-    ],
-
-    keyBindings: {
-      'enter:keydown': '_asyncClick',
-      'space:keydown': '_spaceKeyDownHandler',
-      'space:keyup': '_spaceKeyUpHandler',
-    },
-
-    _tapHandler: function() {
-      if (this.toggles) {
-       // a tap is needed to toggle the active state
-        this._userActivate(!this.active);
-      } else {
-        this.active = false;
-      }
-    },
-
-    _detectKeyboardFocus: function(focused) {
-      this._setReceivedFocusFromKeyboard(!this.pointerDown && focused);
-    },
-
-    // to emulate native checkbox, (de-)activations from a user interaction fire
-    // 'change' events
-    _userActivate: function(active) {
-      this.active = active;
-      this.fire('change');
-    },
-
-    _downHandler: function() {
-      this._setPointerDown(true);
-      this._setPressed(true);
-      this._setReceivedFocusFromKeyboard(false);
-    },
-
-    _upHandler: function() {
-      this._setPointerDown(false);
-      this._setPressed(false);
-    },
-
-    _spaceKeyDownHandler: function(event) {
-      var keyboardEvent = event.detail.keyboardEvent;
-      keyboardEvent.preventDefault();
-      keyboardEvent.stopImmediatePropagation();
-      this._setPressed(true);
-    },
-
-    _spaceKeyUpHandler: function() {
-      if (this.pressed) {
-        this._asyncClick();
-      }
-      this._setPressed(false);
-    },
-
-    // trigger click asynchronously, the asynchrony is useful to allow one
-    // event handler to unwind before triggering another event
-    _asyncClick: function() {
-      this.async(function() {
-        this.click();
-      }, 1);
-    },
-
-    // any of these changes are considered a change to button state
-
-    _pressedChanged: function(pressed) {
-      this._changedButtonState();
-    },
-
-    _activeChanged: function(active) {
-      if (this.toggles) {
-        this.setAttribute('aria-pressed', active ? 'true' : 'false');
-      } else {
-        this.removeAttribute('aria-pressed');
-      }
-      this._changedButtonState();
-    },
-
-    _controlStateChanged: function() {
-      if (this.disabled) {
-        this._setPressed(false);
-      } else {
-        this._changedButtonState();
-      }
-    },
-
-    // provide hook for follow-on behaviors to react to button-state
-
-    _changedButtonState: function() {
-      if (this._buttonStateChanged) {
-        this._buttonStateChanged(); // abstract
-      }
-    }
-
-  };
-
-  /** @polymerBehavior */
-  Polymer.IronButtonState = [
-    Polymer.IronA11yKeysBehavior,
-    Polymer.IronButtonStateImpl
-  ];
-
-</script>