MacViews: Split ViewEventTestBase into platform-specific files.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index cd81368c5354e63bad1800568607b7000319c381..27d16b98bb12b5d58b6ef69e17bd2470cdae5a22 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -147,6 +147,11 @@
         'browser/ui/views/tabs/tab_drag_controller_interactive_uitest_win.cc',
         'browser/ui/views/toolbar/toolbar_button_test.cc',
         'browser/ui/views/toolbar/toolbar_view_interactive_uitest.cc',
+        'test/base/chrome_views_test_helper.h',
+        'test/base/chrome_views_test_helper_ash.cc',
+        'test/base/chrome_views_test_helper_aura.cc',
+        'test/base/chrome_views_test_helper_chromeos.cc',
+        'test/base/chrome_views_test_helper_mac.mm',
         'test/base/interactive_test_utils.cc',
         'test/base/interactive_test_utils.h',
         'test/base/interactive_test_utils_aura.cc',
@@ -205,6 +210,10 @@
             '../ash/wm/ash_native_cursor_manager_interactive_uitest.cc',
             'browser/ui/window_sizer/window_sizer_ash_uitest.cc',
           ],
+          'sources!': [
+            # Use only the _ash version when Ash is available.
+            'test/base/chrome_views_test_helper_aura.cc',
+          ]
         }],
         ['OS=="mac"', {
           'sources!': [
@@ -238,6 +247,10 @@
             '../ui/views/views.gyp:views_test_support',
           ],
         }, { # else: toolkit_views == 0
+          'sources!': [
+            'test/base/view_event_test_base.cc',
+            'test/base/view_event_test_base.h',
+          ],
           'sources/': [
             ['exclude', '^browser/ui/views/'],
             ['exclude', '^../ui/views/'],
@@ -310,6 +323,10 @@
             'browser/ui/panels/stacked_panel_browsertest.cc',
             'browser/ui/views/message_center/web_notification_tray_browsertest.cc',
             'browser/ui/views/panels/panel_view_browsertest.cc',
+
+            # Use only the _chromeos version on ChromeOS.
+            'test/base/chrome_views_test_helper_ash.cc',
+            'test/base/chrome_views_test_helper_aura.cc',
           ],
         }],
         ['OS=="win"', {
@@ -1994,6 +2011,11 @@
             'browser/ui/webui/constrained_web_dialog_ui_browsertest.cc',
           ],
         }, { # else: toolkit_views == 0
+          'sources!': [
+            'test/base/chrome_views_test_helper.h',
+            'test/base/view_event_test_base.cc',
+            'test/base/view_event_test_base.h',
+          ],
           'sources/': [
             ['exclude', '^../ui/views/'],
             ['exclude', '^browser/ui/views/'],