From de932918438d1ef065d2141ff9e977fd63e21b1e Mon Sep 17 00:00:00 2001 From: "Kevin F. Haggerty" Date: Sun, 27 Dec 2020 09:42:54 -0700 Subject: [PATCH 3/6] webview: Hard no to persistent histograms * It's probably some kind of bug somewhere that these are never deleted, but they don't really add value to us in the first place. * Stop eating 4MB every single time any app that uses webview ever opens. * These were guarded by a feature check before https://chromium.googlesource.com/chromium/src/+/b86102f2a243 --- android_webview/browser/aw_field_trials.cc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/android_webview/browser/aw_field_trials.cc b/android_webview/browser/aw_field_trials.cc index cdcee98e4a394..c5582ec79c3bf 100644 --- a/android_webview/browser/aw_field_trials.cc +++ b/android_webview/browser/aw_field_trials.cc @@ -11,9 +11,11 @@ #include "components/metrics/persistent_histograms.h" void AwFieldTrials::SetUpFieldTrials() { +#if 0 // Persistent histograms must be enabled as soon as possible. base::FilePath metrics_dir; if (base::PathService::Get(base::DIR_ANDROID_APP_DATA, &metrics_dir)) { InstantiatePersistentHistograms(metrics_dir); } +#endif } -- 2.25.1