Remove legacy PDF JSON interface.

chrome/browser/resources/pdf/pdf_scripting_api.js

Index: chrome/browser/resources/pdf/pdf_scripting_api.js
diff --git a/chrome/browser/resources/pdf/pdf_scripting_api.js b/chrome/browser/resources/pdf/pdf_scripting_api.js
index 28bf7959755721843cd07b6dd9437869751d1535..712e390207e2cb443611cab2cfcf26eddbfb633b 100644
--- a/chrome/browser/resources/pdf/pdf_scripting_api.js
+++ b/chrome/browser/resources/pdf/pdf_scripting_api.js
@@ -76,12 +76,6 @@ function PDFScriptingAPI(window, plugin) {
         if (this.loadCallback_)
           this.loadCallback_(this.loadState_ == LoadState.SUCCESS);
         break;
-      case 'getAccessibilityJSONReply':
-        if (this.accessibilityCallback_) {
-          this.accessibilityCallback_(event.data.json);
-          this.accessibilityCallback_ = null;
-        }
-        break;
       case 'getSelectedTextReply':
         if (this.selectedTextCallback_) {
           this.selectedTextCallback_(event.data.selectedText);
@@ -190,30 +184,6 @@ PDFScriptingAPI.prototype = {
   },
 
   /**
-   * Get accessibility JSON for the document. May only be called after document
-   * load.
-   * @param {Function} callback a callback to be called with the accessibility
-   *     json that has been retrieved.
-   * @param {number} [page] the 0-indexed page number to get accessibility data
-   *     for. If this is not provided, data about the entire document is
-   *     returned.
-   * @return {boolean} true if the function is successful, false if there is an
-   *     outstanding request for accessibility data that has not been answered.
-   */
-  getAccessibilityJSON: function(callback, page) {
-    if (this.accessibilityCallback_)
-      return false;
-    this.accessibilityCallback_ = callback;
-    var message = {
-      type: 'getAccessibilityJSON',
-    };
-    if (page || page == 0)
-      message.page = page;
-    this.sendMessage_(message);
-    return true;
-  },
-
-  /**
    * Select all the text in the document. May only be called after document
    * load.
    */