Revert of StackFrameDepth should be managed per ThreadHeap

third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp

Index: third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp
diff --git a/third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp b/third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp
index 454d4242a205f3a8b27ce8145ec8c08c63cbe3cd..3c0a0395b189b1abeddc2d96353084b9ebb9439a 100644
--- a/third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp
+++ b/third_party/WebKit/Source/platform/heap/StackFrameDepth.cpp
@@ -17,6 +17,8 @@
 namespace blink {
 
 static const char* s_avoidOptimization = nullptr;
+
+uintptr_t StackFrameDepth::s_stackFrameLimit = kMinimumStackLimit;
 
 // NEVER_INLINE ensures that |dummy| array on configureLimit() is not optimized away,
 // and the stack frame base register is adjusted |kSafeStackFrameSize|.
@@ -43,7 +45,7 @@
     // except if ASan is enabled.
     size_t stackSize = getUnderestimatedStackSize();
     if (!stackSize) {
-        m_stackFrameLimit = getFallbackStackLimit();
+        s_stackFrameLimit = getFallbackStackLimit();
         return;
     }
 
@@ -53,7 +55,7 @@
     RELEASE_ASSERT(stackSize > static_cast<const size_t>(kStackRoomSize));
     size_t stackRoom = stackSize - kStackRoomSize;
     RELEASE_ASSERT(stackBase > reinterpret_cast<Address>(stackRoom));
-    m_stackFrameLimit = reinterpret_cast<uintptr_t>(stackBase - stackRoom);
+    s_stackFrameLimit = reinterpret_cast<uintptr_t>(stackBase - stackRoom);
 
     // If current stack use is already exceeding estimated limit, mark as disabled.
     if (!isSafeToRecurse())