ui: Add debug flag for slowing down all UI animations.

chrome/browser/about_flags.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 1023 matching lines @@
         SINGLE_VALUE_TYPE(ash::switches::kAshEnableMirroredScreen),
     },
     {"ash-md", IDS_FLAGS_ASH_MD, IDS_FLAGS_ASH_MD_DESCRIPTION, kOsCrOS,
      MULTI_VALUE_TYPE(kAshMaterialDesignChoices)},
 #endif  // USE_ASH
 #if defined(OS_CHROMEOS)
     {"material-design-ink-drop-animation-speed",
      IDS_FLAGS_MATERIAL_DESIGN_INK_DROP_ANIMATION_SPEED_NAME,
      IDS_FLAGS_MATERIAL_DESIGN_INK_DROP_ANIMATION_SPEED_DESCRIPTION, kOsCrOS,
      MULTI_VALUE_TYPE(kAshMaterialDesignInkDropAnimationSpeed)},
+    {"ui-slow-animations",
+     IDS_FLAGS_UI_SLOW_ANIMATIONS_NAME,
+     IDS_FLAGS_UI_SLOW_ANIMATIONS_DESCRIPTION, kOsCrOS,
+     SINGLE_VALUE_TYPE(switches::kUISlowAnimations)},
     {"disable-cloud-import", IDS_FLAGS_CLOUD_IMPORT,
      IDS_FLAGS_CLOUD_IMPORT_DESCRIPTION, kOsCrOS,
      SINGLE_DISABLE_VALUE_TYPE(chromeos::switches::kDisableCloudImport)},
     {"enable-request-tablet-site", IDS_FLAGS_REQUEST_TABLET_SITE_NAME,
      IDS_FLAGS_REQUEST_TABLET_SITE_DESCRIPTION, kOsCrOS,
      SINGLE_VALUE_TYPE(chromeos::switches::kEnableRequestTabletSite)},
 #endif  // OS_CHROMEOS
     {"debug-packed-apps", IDS_FLAGS_DEBUG_PACKED_APP_NAME,
      IDS_FLAGS_DEBUG_PACKED_APP_DESCRIPTION, kOsDesktop,
      SINGLE_VALUE_TYPE(switches::kDebugPackedApps)},
@@ skipping 1329 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags