PDF: Fix layout issues caused by removing iron-flex-layout

chrome/browser/resources/pdf/elements/viewer-password-screen/viewer-password-screen.html

Index: chrome/browser/resources/pdf/elements/viewer-password-screen/viewer-password-screen.html
diff --git a/chrome/browser/resources/pdf/elements/viewer-password-screen/viewer-password-screen.html b/chrome/browser/resources/pdf/elements/viewer-password-screen/viewer-password-screen.html
index 4bcff598e009331d2da958ee76e70e07015e5b7c..02f628e58e2d605e0ada0883e1fa37221a1df0a7 100644
--- a/chrome/browser/resources/pdf/elements/viewer-password-screen/viewer-password-screen.html
+++ b/chrome/browser/resources/pdf/elements/viewer-password-screen/viewer-password-screen.html
@@ -1,5 +1,5 @@
 <link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout-classes.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/animations/fade-in-animation.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/animations/fade-out-animation.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
@@ -8,6 +8,7 @@
 
 <dom-module id="viewer-password-screen">
   <template>
+    <style include="iron-flex iron-flex-alignment"></style>

[raymes, 2016/06/27 01:36:03]

More magic! I wouldn't know if this is the right way to do things. Maybe Chris
could take a look since he's been doing more polymer lately?

[tsergeant, 2016/06/27 01:47:08]

Adding Chris for Polymer knowledge.

     <paper-dialog id="dialog" modal no-cancel-on-esc-key
         entry-animation="fade-in-animation" exit-animation="fade-out-animation">
       <div id="message" i18n-content="passwordPrompt"></div>
@@ -17,8 +18,7 @@
           <input is="iron-input" id="password" type="password" size="20"
               on-keypress="handleKey" autofocus>
           </input>
-          <paper-input-error hidden$="[[!invalid]]"

[tsergeant, 2016/06/24 04:31:38]

This hidden seems to be unnecessary -- the paper-input-container manages showing
and hiding the error.

-              i18n-content="passwordInvalid"></paper-input-error>
+          <paper-input-error i18n-content="passwordInvalid"></paper-input-error>
         </paper-input-container>
         <paper-button id="submit" on-click="submit"
                                   i18n-content="passwordSubmit"></paper-button>