Revert of Oilpan: Query stack frame register instead of manual bookkeeping

Source/platform/heap/StackFrameDepth.cpp

Index: Source/platform/heap/StackFrameDepth.cpp
diff --git a/Source/platform/heap/StackFrameDepth.cpp b/Source/platform/heap/StackFrameDepth.cpp
deleted file mode 100644
index 8b495ed8c633a5ae241ce0e0b8a2e62290c3a830..0000000000000000000000000000000000000000
--- a/Source/platform/heap/StackFrameDepth.cpp
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "config.h"
-#include "platform/heap/StackFrameDepth.h"
-
-namespace blink {
-
-static const char* s_avoidOptimization = nullptr;
-
-// NEVER_INLINE ensures that |dummy| array on configureLimit() is not optimized away,
-// and the stack frame base register is adjusted |kSafeStackFrameSize|.
-NEVER_INLINE static uintptr_t currentStackFrameBaseOnCallee(const char* dummy)
-{
-    s_avoidOptimization = dummy;
-    return StackFrameDepth::currentStackFrame();
-}
-
-void StackFrameDepth::configureLimit()
-{
-    // Allocate a large object in stack and query stack frame pointer after it.
-    char dummy[kSafeStackFrameSize];
-    m_stackFrameLimit = currentStackFrameBaseOnCallee(dummy);
-
-    // Assert that the stack frame can be used.
-    dummy[sizeof(dummy) - 1] = 0;
-}
-
-} // namespace blink