From e9bfd56271ea1257343a6046510696b6cfeb7d9b Mon Sep 17 00:00:00 2001
From: Michael Goderbauer <goderbauer@google.com>
Date: Tue, 13 Nov 2018 09:46:30 -0800
Subject: [PATCH] Fix Windows Engine Bot (flutter/engine#6844)

Follow-up to https://github.com/flutter/engine/pull/6833
---
 engine/src/flutter/fml/thread_local.cc | 33 ++++++++++++++++++++++++++
 engine/src/flutter/fml/thread_local.h  | 25 ++++---------------
 2 files changed, 38 insertions(+), 20 deletions(-)

diff --git a/engine/src/flutter/fml/thread_local.cc b/engine/src/flutter/fml/thread_local.cc
index 4617f8243c..d0afbc0018 100644
--- a/engine/src/flutter/fml/thread_local.cc
+++ b/engine/src/flutter/fml/thread_local.cc
@@ -6,6 +6,8 @@
 
 namespace fml {
 
+#if FML_THREAD_LOCAL_PTHREADS
+
 ThreadLocal::ThreadLocal() : ThreadLocal(nullptr) {}
 
 ThreadLocal::ThreadLocal(ThreadLocalDestroyCallback destroy)
@@ -33,4 +35,35 @@ ThreadLocal::Box::Box(ThreadLocalDestroyCallback destroy, intptr_t value)
 
 ThreadLocal::Box::~Box() = default;
 
+#else  // FML_THREAD_LOCAL_PTHREADS
+
+ThreadLocal::ThreadLocal() : ThreadLocal(nullptr) {}
+
+ThreadLocal::ThreadLocal(ThreadLocalDestroyCallback destroy)
+    : destroy_(destroy), value_(0) {}
+
+void ThreadLocal::Set(intptr_t value) {
+  if (value_ == value) {
+    return;
+  }
+
+  if (value_ != 0 && destroy_) {
+    destroy_(value_);
+  }
+
+  value_ = value;
+}
+
+intptr_t ThreadLocal::Get() {
+  return value_;
+}
+
+ThreadLocal::~ThreadLocal() {
+  if (value_ != 0 && destroy_) {
+    destroy_(value_);
+  }
+}
+
+#endif  // FML_THREAD_LOCAL_PTHREADS
+
 }  // namespace fml
diff --git a/engine/src/flutter/fml/thread_local.h b/engine/src/flutter/fml/thread_local.h
index b2d4bdfa77..4bf518244a 100644
--- a/engine/src/flutter/fml/thread_local.h
+++ b/engine/src/flutter/fml/thread_local.h
@@ -101,30 +101,15 @@ class ThreadLocal {
 
 class ThreadLocal {
  public:
-  ThreadLocal() : ThreadLocal(nullptr) {}
+  ThreadLocal();
 
-  ThreadLocal(ThreadLocalDestroyCallback destroy)
-      : destroy_(destroy), value_(0) {}
+  ThreadLocal(ThreadLocalDestroyCallback destroy);
 
-  void Set(intptr_t value) {
-    if (value_ == value) {
-      return;
-    }
+  void Set(intptr_t value);
 
-    if (value_ != 0 && destroy_) {
-      destroy_(value_);
-    }
+  intptr_t Get();
 
-    value_ = value;
-  }
-
-  intptr_t Get() { return value_; }
-
-  ~ThreadLocal() {
-    if (value_ != 0 && destroy_) {
-      destroy_(value_);
-    }
-  }
+  ~ThreadLocal();
 
  private:
   ThreadLocalDestroyCallback destroy_;