Settings: Move file used in browser settings tests to main folder

fake_input_method_private.js is also used by browser settings tests, so
it should not be in the chromeos/ specific folder.

Bug: 1026426
Change-Id: I3c88ce63115463dc2966538c6a2536d41d8d71e2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2076090
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745272}

chrome/test/data/webui/settings/chromeos/os_settings_browsertest.js

@@ -1073,11 +1073,11 @@ var OSSettingsLanguagesPageTest = class extends OSSettingsBrowserTest {
     return super.extraLibraries.concat([
       BROWSER_SETTINGS_PATH + '../fake_chrome_event.js',
       BROWSER_SETTINGS_PATH + '../test_browser_proxy.js',
+      BROWSER_SETTINGS_PATH + 'fake_input_method_private.js',
       BROWSER_SETTINGS_PATH + 'fake_language_settings_private.js',
       BROWSER_SETTINGS_PATH + 'test_languages_browser_proxy.js',
       BROWSER_SETTINGS_PATH + 'fake_settings_private.js',
       BROWSER_SETTINGS_PATH + '../test_util.js',
-      'fake_input_method_private.js',
       'os_languages_page_tests.js',
     ]);
   }

chrome/test/data/webui/settings/cr_settings_browsertest.js

@@ -1669,8 +1669,8 @@ CrSettingsEditDictionaryPageTest.prototype = {
   extraLibraries: CrSettingsBrowserTest.prototype.extraLibraries.concat([
     '../fake_chrome_event.js',
     'fake_settings_private.js',
-    'chromeos/fake_input_method_private.js',
     '../test_browser_proxy.js',
+    'fake_input_method_private.js',
     'fake_language_settings_private.js',
     'test_languages_browser_proxy.js',
     'edit_dictionary_page_test.js',
@@ -1703,7 +1703,7 @@ CrSettingsLanguagesTest.prototype = {
     '../test_browser_proxy.js',
     'fake_language_settings_private.js',
     'fake_settings_private.js',
-    'chromeos/fake_input_method_private.js',
+    'fake_input_method_private.js',
     'test_languages_browser_proxy.js',
     'languages_tests.js',
   ]),
@@ -1732,7 +1732,7 @@ CrSettingsLanguagesPageTest.prototype = {
     '../test_browser_proxy.js',
     'fake_settings_private.js',
     'fake_language_settings_private.js',
-    'chromeos/fake_input_method_private.js',
+    'fake_input_method_private.js',
     'test_languages_browser_proxy.js',
     'languages_page_tests.js',
   ]),