flags: remove disable-pull-to-refresh-effect

This flag isn't supported any more. The corresponding switch
(kDisablePullToRefreshEffect) is still used in the WebView code so it needs to
stay.

Bug: None
Change-Id: I8ba201a974f0e237bd1f8fb9efd7abe3e62c95af
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1548358
Auto-Submit: Elly Fong-Jones <ellyjones@chromium.org>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#646774}

Author: Elly Fong-Jones

chrome/browser/about_flags.cc

@@ -1616,10 +1616,6 @@ const FeatureEntry kFeatureEntries[] = {
      SINGLE_VALUE_TYPE(switches::kHostedAppQuitNotification)},
 #endif  // OS_MACOSX
 #if defined(OS_ANDROID)
-    {"disable-pull-to-refresh-effect",
-     flag_descriptions::kPullToRefreshEffectName,
-     flag_descriptions::kPullToRefreshEffectDescription, kOsAndroid,
-     SINGLE_DISABLE_VALUE_TYPE(switches::kDisablePullToRefreshEffect)},
     {"translate-force-trigger-on-english",
      flag_descriptions::kTranslateForceTriggerOnEnglishName,
      flag_descriptions::kTranslateForceTriggerOnEnglishDescription, kOsAndroid,

chrome/browser/flag-metadata.json

@@ -590,11 +590,6 @@
     // "owners": [ "your-team" ],
     "expiry_milestone": 76
   },
-  {
-    "name": "disable-pull-to-refresh-effect",
-    // "owners": [ "your-team" ],
-    "expiry_milestone": 76
-  },
   {
     // See https://crbug.com/882238.
     "name": "disable-pushstate-throttle",

chrome/browser/flag_descriptions.cc

@@ -2542,10 +2542,6 @@ const char kProgressBarThrottleName[] = "Android progress update throttling.";
 const char kProgressBarThrottleDescription[] =
     "Limit the maximum progress update to make progress appear smoother.";
 
-const char kPullToRefreshEffectName[] = "The pull-to-refresh effect";
-const char kPullToRefreshEffectDescription[] =
-    "Page reloads triggered by vertically overscrolling content.";
-
 const char kPwaImprovedSplashScreenName[] =
     "Improved Splash Screen for standalone PWAs";
 const char kPwaImprovedSplashScreenDescription[] =

chrome/browser/flag_descriptions.h

@@ -1518,9 +1518,6 @@ extern const char kOffliningRecentPagesDescription[];
 extern const char kProgressBarThrottleName[];
 extern const char kProgressBarThrottleDescription[];
 
-extern const char kPullToRefreshEffectName[];
-extern const char kPullToRefreshEffectDescription[];
-
 extern const char kPwaImprovedSplashScreenName[];
 extern const char kPwaImprovedSplashScreenDescription[];
 extern const char kPwaPersistentNotificationName[];