Update Polymer from 1.2.1 -> 1.2.3

third_party/polymer/v1_0/components-chromium/paper-input/paper-input-container-extracted.js

 Polymer({
     is: 'paper-input-container',
 
     properties: {
       /**
        * Set to true to disable the floating label. The label disappears when the input value is
        * not null.
        */
       noLabelFloat: {
         type: Boolean,
@@ skipping 124 matching lines @@
       }
     },
 
     attached: function() {
       // Only validate when attached if the input already has a value.
       if (this._inputElementValue != '') {
         this._handleValueAndAutoValidate(this._inputElement);
       } else {
         this._handleValue(this._inputElement);
       }
-
-      this._numberOfPrefixNodes = 0;
-      this._prefixObserver = Polymer.dom(this.$.prefix).observeNodes(
-          function(mutations) {
-            // Keep track whether there's at least one prefix node, since it
-            // affects laying out the floating label.
-            this._numberOfPrefixNodes += mutations.addedNodes.length -
-                mutations.removedNodes.length;
-          }.bind(this));
-    },
-
-    detached: function() {
-      if (this._prefixObserver) {
-        Polymer.dom(this.$.prefix).unobserveNodes(this._prefixObserver);
-      }
     },
 
     _onAddonAttached: function(event) {
       if (!this._addons) {
         this._addons = [];
       }
       var target = event.target;
       if (this._addons.indexOf(target) === -1) {
         this._addons.push(target);
         if (this.isAttached) {
@@ skipping 71 matching lines @@
       }
     },
 
     _computeInputContentClass: function(noLabelFloat, alwaysFloatLabel, focused, invalid, _inputHasContent) {
       var cls = 'input-content';
       if (!noLabelFloat) {
         var label = this.querySelector('label');
 
         if (alwaysFloatLabel || _inputHasContent) {
           cls += ' label-is-floating';
+          // If the label is floating, ignore any offsets that may have been
+          // applied from a prefix element.
+          this.$.labelAndInputContainer.style.position = 'static';
+
           if (invalid) {
             cls += ' is-invalid';
           } else if (focused) {
             cls += " label-is-highlighted";
           }
-          // If a prefix element exists, the label has a horizontal offset
-          // which needs to be undone when displayed as a floating label.
-          if (this._numberOfPrefixNodes > 0) {
-            this.$.labelAndInputContainer.style.position = 'static';
-          }
         } else {
           // When the label is not floating, it should overlap the input element.
           if (label) {
             this.$.labelAndInputContainer.style.position = 'relative';
           }
         }
       } else {
         if (_inputHasContent) {
           cls += ' label-is-hidden';
         }
@@ skipping 14 matching lines @@
     _computeAddOnContentClass: function(focused, invalid) {
       var cls = 'add-on-content';
       if (invalid) {
         cls += ' is-invalid';
       } else if (focused) {
         cls += ' is-highlighted'
       }
       return cls;
     }
   });