Move some Runtime:: functions and remove runtime.h as include when unnecessary.

src/runtime/runtime.h

Index: src/runtime/runtime.h
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index a3b144103b04ba099fbe83049fd435c99cf500ac..084e35d0f82057ac56aa75914794584972fcb88e 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_RUNTIME_H_
-#define V8_RUNTIME_H_
+#ifndef V8_RUNTIME_RUNTIME_H_
+#define V8_RUNTIME_RUNTIME_H_
 
 #include "src/allocation.h"
 #include "src/objects.h"
@@ -777,6 +777,9 @@ class RuntimeState {
 };
 
 
+class JavaScriptFrameIterator;  // Forward declaration.
+
+
 class Runtime : public AllStatic {
  public:
   enum FunctionId {
@@ -828,10 +831,6 @@ class Runtime : public AllStatic {
   // Get the intrinsic function with the given function entry address.
   static const Function* FunctionForEntry(Address ref);
 
-  // General-purpose helper functions for runtime system.
-  static int StringMatch(Isolate* isolate, Handle<String> sub,
-                         Handle<String> pat, int index);
-
   // TODO(1240886): Some of the following methods are *not* handle safe, but
   // accept handle arguments. This seems fragile.
 
@@ -848,13 +847,6 @@ class Runtime : public AllStatic {
       Handle<JSObject> object, Handle<Object> key, Handle<Object> value,
       PropertyAttributes attr);
 
-  MUST_USE_RESULT static MaybeHandle<Object> DeleteObjectProperty(
-      Isolate* isolate, Handle<JSReceiver> object, Handle<Object> key,
-      JSReceiver::DeleteMode mode);
-
-  MUST_USE_RESULT static MaybeHandle<Object> HasObjectProperty(
-      Isolate* isolate, Handle<JSReceiver> object, Handle<Object> key);
-
   MUST_USE_RESULT static MaybeHandle<Object> GetObjectProperty(
       Isolate* isolate, Handle<Object> object, Handle<Object> key);
 
@@ -876,6 +868,8 @@ class Runtime : public AllStatic {
   static void FreeArrayBuffer(Isolate* isolate,
                               JSArrayBuffer* phantom_array_buffer);
 
+  static int FindIndexedNonNativeFrame(JavaScriptFrameIterator* it, int index);
+
   enum TypedArrayId {
     // arrayIds below should be synchromized with typedarray.js natives.
     ARRAY_ID_UINT8 = 1,
@@ -918,4 +912,4 @@ class DeclareGlobalsStrictMode : public BitField<StrictMode, 2, 1> {};
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_RUNTIME_H_
+#endif  // V8_RUNTIME_RUNTIME_H_