[cr webui] no inky focus impl in cr-link-row

This CL removes a call to PapperInkyFocusBehaviorImpl so that it would not need to be explicitly imported.

Bug: 
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I68d90de1716f1e6567de8927d9e9386501a3fd80
Reviewed-on: https://chromium-review.googlesource.com/693040
Commit-Queue: Dave Schuyler <dschuyler@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506609}

ui/webui/resources/cr_elements/cr_link_row/compiled_resources2.gyp

@@ -6,7 +6,7 @@
     {
       'target_name': 'cr_link_row',
       'dependencies': [
-        '<(DEPTH)/third_party/polymer/v1_0/components-chromium/paper-behaviors/compiled_resources2.gyp:paper-inky-focus-behavior-extracted',
+        '<(DEPTH)/third_party/polymer/v1_0/components-chromium/iron-behaviors/compiled_resources2.gyp:iron-button-state-extracted',
         '<(DEPTH)/third_party/polymer/v1_0/components-chromium/paper-behaviors/compiled_resources2.gyp:paper-ripple-behavior-extracted',
       ],
       'includes': ['../../../../../third_party/closure_compiler/compile_js2.gypi'],

ui/webui/resources/cr_elements/cr_link_row/cr_link_row.js

@@ -45,18 +45,10 @@ Polymer({
 
   _createRipple: function() {
     this._rippleContainer = this.$.icon;
-    return Polymer.PaperInkyFocusBehaviorImpl._createRipple.call(this);
+    var ripple = Polymer.PaperRippleBehavior._createRipple();
+    ripple.id = 'ink';
+    ripple.setAttribute('recenters', '');
+    ripple.classList.add('circle');
+    return ripple;
   },
-
-  /**
-   * @param {...*} var_args
-   */
-  ensureRipple: function(var_args) {
-    var lastRipple = this._ripple;
-    Polymer.PaperRippleBehavior.ensureRipple.apply(this, arguments);
-    if (this._ripple && this._ripple !== lastRipple) {
-      this._ripple.center = true;
-      this._ripple.classList.add('circle');
-    }
-  }
 });