[Switch Access] Rename preference class for consistency

This is a pure refactor with no functional change.

TBR=akihiroota@chromium.org

AX-Relnotes: n/a.
Bug: None.
Change-Id: Ic729688e78abc23769b56f6aceb0aff4201e40c8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2444433Reviewed-by: Anastasia Helfinstein <anastasi@google.com>
Commit-Queue: Anastasia Helfinstein <anastasi@google.com>
Cr-Commit-Position: refs/heads/master@{#813274}

chrome/browser/resources/chromeos/accessibility/switch_access/BUILD.gn

@@ -72,7 +72,7 @@ run_jsbundler("switch_access_copied_files") {
     "nodes/switch_access_node.js",
     "nodes/tab_node.js",
     "nodes/window_node.js",
-    "preferences.js",
+    "preference_manager.js",
     "switch_access.js",
     "switch_access_constants.js",
     "switch_access_predicate.js",
@@ -147,7 +147,7 @@ js_type_check("closure_compile") {
     ":metrics",
     ":modal_dialog_node",
     ":navigation_manager",
-    ":preferences",
+    ":preference_manager",
     ":slider_node",
     ":switch_access",
     ":switch_access_constants",
@@ -361,7 +361,7 @@ js_library("basic_node") {
   ]
 }
 
-js_library("preferences") {
+js_library("preference_manager") {
   deps = [ ":switch_access_constants" ]
   externs_list = [ "$externs_path/settings_private.js" ]
 }
@@ -383,7 +383,7 @@ js_library("switch_access") {
     ":commands",
     ":menu_manager",
     ":navigation_manager",
-    ":preferences",
+    ":preference_manager",
     ":switch_access_constants",
     "../common:constants",
     "../common:tree_walker",

chrome/browser/resources/chromeos/accessibility/switch_access/preferences.js → chrome/browser/resources/chromeos/accessibility/switch_access/preference_manager.js

@@ -5,7 +5,7 @@
 /**
  * Class to manage user preferences.
  */
-class SwitchAccessPreferences {
+class PreferenceManager {
   /** @private */
   constructor() {
     /**
@@ -21,7 +21,7 @@ class SwitchAccessPreferences {
   // =============== Static Methods ==============
 
   static initialize() {
-    SwitchAccessPreferences.instance = new SwitchAccessPreferences();
+    PreferenceManager.instance = new PreferenceManager();
   }
 
   // =============== Private Methods ==============

chrome/browser/resources/chromeos/accessibility/switch_access/switch_access.js

@@ -17,7 +17,7 @@ class SwitchAccess {
 
       Commands.initialize();
       KeyboardRootNode.startWatchingVisibility();
-      SwitchAccessPreferences.initialize();
+      PreferenceManager.initialize();
     });
   }
 

chrome/browser/resources/chromeos/accessibility/switch_access_manifest.json.jinja2

@@ -44,7 +44,7 @@
       "switch_access/nodes/slider_node.js",
       "switch_access/nodes/tab_node.js",
       "switch_access/nodes/window_node.js",
-      "switch_access/preferences.js",
+      "switch_access/preference_manager.js",
       "switch_access/switch_access.js",
       "switch_access/switch_access_constants.js",
       "switch_access/switch_access_predicate.js",