Revert "Rename polymer and cr_elements v0_8 to v1_0"

third_party/polymer/v1_0/components-chromium/iron-overlay-behavior/iron-overlay-backdrop-extracted.js

-
-
-(function() {
-
-  Polymer({
-
-    is: 'iron-overlay-backdrop',
-
-    properties: {
-
-      /**
-       * Returns true if the backdrop is opened.
-       */
-      opened: {
-        readOnly: true,
-        reflectToAttribute: true,
-        type: Boolean,
-        value: false
-      },
-
-      _manager: {
-        type: Object,
-        value: Polymer.IronOverlayManager
-      }
-
-    },
-
-    /**
-     * Appends the backdrop to document body and sets its `z-index` to be below the latest overlay.
-     */
-    prepare: function() {
-      if (!this.parentNode) {
-        Polymer.dom(document.body).appendChild(this);
-        this.style.zIndex = this._manager.currentOverlayZ() - 1;
-      }
-    },
-
-    /**
-     * Shows the backdrop if needed.
-     */
-    open: function() {
-      // only need to make the backdrop visible if this is called by the first overlay with a backdrop
-      if (this._manager.getBackdrops().length < 2) {
-        this._setOpened(true);
-      }
-    },
-
-    /**
-     * Hides the backdrop if needed.
-     */
-    close: function() {
-      // only need to make the backdrop invisible if this is called by the last overlay with a backdrop
-      if (this._manager.getBackdrops().length < 2) {
-        this._setOpened(false);
-      }
-    },
-
-    /**
-     * Removes the backdrop from document body if needed.
-     */
-    complete: function() {
-      // only remove the backdrop if there are no more overlays with backdrops
-      if (this._manager.getBackdrops().length === 0 && this.parentNode) {
-        Polymer.dom(this.parentNode).removeChild(this);
-      }
-    }
-
-  });
-
-})();
-