rAc: split TestableAutofillDialogView implementation into its own class

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index ba09c8e41ee58f4e34f482ab82b0ba8f47fe2412..ea8482ea5fb073472088ad5ae1a321fb21cd6cb1 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -1412,6 +1412,7 @@
         'browser/ui/autofill/test_generated_credit_card_bubble_view.h',
         'browser/ui/autofill/test_generated_credit_card_bubble_controller.cc',
         'browser/ui/autofill/test_generated_credit_card_bubble_controller.h',
+        'browser/ui/autofill/autofill_dialog_view_tester.h',
         'browser/ui/blocked_content/popup_blocker_browsertest.cc',
         'browser/ui/bookmarks/bookmark_browsertest.cc',
         'browser/ui/browser_browsertest.cc',
@@ -1425,6 +1426,8 @@
         'browser/ui/cocoa/apps/app_shim_menu_controller_mac_browsertest.mm',
         'browser/ui/cocoa/apps/native_app_window_cocoa_browsertest.mm',
         'browser/ui/cocoa/autofill/autofill_dialog_cocoa_browsertest.mm',
+        'browser/ui/cocoa/autofill/autofill_dialog_view_tester_cocoa.mm',
+        'browser/ui/cocoa/autofill/autofill_dialog_view_tester_cocoa.h',
         'browser/ui/cocoa/browser_window_cocoa_browsertest.mm',
         'browser/ui/cocoa/browser_window_controller_browsertest.mm',
         'browser/ui/cocoa/certificate_viewer_mac_browsertest.mm',
@@ -1466,6 +1469,8 @@
         'browser/ui/toolbar/test_toolbar_model.cc',
         'browser/ui/toolbar/test_toolbar_model.h',
         'browser/ui/views/avatar_menu_button_browsertest.cc',
+        'browser/ui/views/autofill/autofill_dialog_view_tester_views.cc',
+        'browser/ui/views/autofill/autofill_dialog_view_tester_views.h',
         'browser/ui/views/frame/browser_non_client_frame_view_ash_browsertest.cc',
         'browser/ui/views/frame/browser_view_browsertest.cc',
         'browser/ui/views/frame/browser_window_property_manager_browsertest_win.cc',