From da6e3f6071fdabeb96c0805626418414b4a4cea8 Mon Sep 17 00:00:00 2001
From: Stephan Hartmann <stha09@googlemail.com>
Date: Wed, 9 Feb 2022 17:56:21 +0000
Subject: [PATCH] GCC: make base::InMilliseconds(F,RoundedUp) constexpr

media::DecodeTimestamp uses it in several constexpr methods.
---
 base/time/time.cc | 24 ------------------------
 base/time/time.h  | 30 +++++++++++++++++++++++++++---
 2 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/base/time/time.cc b/base/time/time.cc
index 0de273e..e0acda2 100644
--- a/base/time/time.cc
+++ b/base/time/time.cc
@@ -74,30 +74,6 @@ int TimeDelta::InDaysFloored() const {
                       : std::numeric_limits<int>::max();
 }
 
-double TimeDelta::InMillisecondsF() const {
-  if (!is_inf())
-    return static_cast<double>(delta_) / Time::kMicrosecondsPerMillisecond;
-  return (delta_ < 0) ? -std::numeric_limits<double>::infinity()
-                      : std::numeric_limits<double>::infinity();
-}
-
-int64_t TimeDelta::InMilliseconds() const {
-  if (!is_inf())
-    return delta_ / Time::kMicrosecondsPerMillisecond;
-  return (delta_ < 0) ? std::numeric_limits<int64_t>::min()
-                      : std::numeric_limits<int64_t>::max();
-}
-
-int64_t TimeDelta::InMillisecondsRoundedUp() const {
-  if (!is_inf()) {
-    const int64_t result = delta_ / Time::kMicrosecondsPerMillisecond;
-    // Convert |result| from truncating to ceiling.
-    return (delta_ > result * Time::kMicrosecondsPerMillisecond) ? (result + 1)
-                                                                 : result;
-  }
-  return delta_;
-}
-
 double TimeDelta::InMicrosecondsF() const {
   if (!is_inf())
     return static_cast<double>(delta_);
diff --git a/base/time/time.h b/base/time/time.h
index c027aab..fb1d78d 100644
--- a/base/time/time.h
+++ b/base/time/time.h
@@ -216,9 +216,9 @@ class BASE_EXPORT TimeDelta {
   constexpr int InMinutes() const;
   constexpr double InSecondsF() const;
   constexpr int64_t InSeconds() const;
-  double InMillisecondsF() const;
-  int64_t InMilliseconds() const;
-  int64_t InMillisecondsRoundedUp() const;
+  constexpr double InMillisecondsF() const;
+  constexpr int64_t InMilliseconds() const;
+  constexpr int64_t InMillisecondsRoundedUp() const;
   constexpr int64_t InMicroseconds() const { return delta_; }
   double InMicrosecondsF() const;
   constexpr int64_t InNanoseconds() const;
@@ -889,6 +889,30 @@ constexpr int64_t TimeDelta::InSeconds() const {
   return is_inf() ? delta_ : (delta_ / Time::kMicrosecondsPerSecond);
 }
 
+constexpr double TimeDelta::InMillisecondsF() const {
+  if (!is_inf())
+    return static_cast<double>(delta_) / Time::kMicrosecondsPerMillisecond;
+  return (delta_ < 0) ? -std::numeric_limits<double>::infinity()
+                      : std::numeric_limits<double>::infinity();
+}
+
+constexpr int64_t TimeDelta::InMilliseconds() const {
+  if (!is_inf())
+    return delta_ / Time::kMicrosecondsPerMillisecond;
+  return (delta_ < 0) ? std::numeric_limits<int64_t>::min()
+                      : std::numeric_limits<int64_t>::max();
+}
+
+constexpr int64_t TimeDelta::InMillisecondsRoundedUp() const {
+  if (!is_inf()) {
+    const int64_t result = delta_ / Time::kMicrosecondsPerMillisecond;
+    // Convert |result| from truncating to ceiling.
+    return (delta_ > result * Time::kMicrosecondsPerMillisecond) ? (result + 1)
+                                                                 : result;
+  }
+  return delta_;
+}
+
 constexpr int64_t TimeDelta::InNanoseconds() const {
   return base::ClampMul(delta_, Time::kNanosecondsPerMicrosecond);
 }
-- 
2.34.1