PDF: Use chrome.resourcesPrivate instead of Pepper to display translated strings

chrome/browser/resources/pdf/pdf.js

Index: chrome/browser/resources/pdf/pdf.js
diff --git a/chrome/browser/resources/pdf/pdf.js b/chrome/browser/resources/pdf/pdf.js
index 6d6411e3e91363828d7dea1c2327fd0f9b7d4ba0..45d552f428970768bdb2627bf7004b77e9270c5f 100644
--- a/chrome/browser/resources/pdf/pdf.js
+++ b/chrome/browser/resources/pdf/pdf.js
@@ -243,6 +243,9 @@ function PDFViewer(browserApi) {
                                   onNavigateInCurrentTab, onNavigateInNewTab);
   this.viewportScroller_ =
       new ViewportScroller(this.viewport_, this.plugin_, window);
+
+  // Request translated strings.
+  chrome.i18nPrivate.getStrings('pdf', this.handleStrings_.bind(this));
 }
 
 PDFViewer.prototype = {
@@ -522,6 +525,16 @@ PDFViewer.prototype = {
     }
   },
 
+  handleStrings_: function(strings) {

[raymes, 2015/09/17 03:56:43]

nit: add some jsdoc

+    this.passwordScreen_.text = strings.passwordPrompt;
+    if (!this.isMaterial_) {
+      this.progressBar_.text = strings.pageLoading;
+      if (!this.isPrintPreview_)
+        this.progressBar_.style.visibility = 'visible';
+    }
+    this.errorScreen_.text = strings.pageLoadFailed;
+  },
+
   /**
    * @private
    * An event handler for handling password-submitted events. These are fired
@@ -599,15 +612,6 @@ PDFViewer.prototype = {
           position.y = message.data.y;
         this.viewport_.position = position;
         break;
-      case 'setTranslatedStrings':
-        this.passwordScreen_.text = message.data.getPasswordString;
-        if (!this.isMaterial_) {
-          this.progressBar_.text = message.data.loadingString;
-          if (!this.isPrintPreview_)
-            this.progressBar_.style.visibility = 'visible';
-        }
-        this.errorScreen_.text = message.data.loadFailedString;
-        break;
       case 'cancelStreamUrl':
         chrome.mimeHandlerPrivate.abortStream();
         break;