[turbofan] Decouple inlining and native context specialization.

src/compiler/node-properties.h

Index: src/compiler/node-properties.h
diff --git a/src/compiler/node-properties.h b/src/compiler/node-properties.h
index 9534ef3c3bfd5e629e6a1d2ff364432aa119c7ab..8019019cba1865fa78f6ca48b59d56b025722f72 100644
--- a/src/compiler/node-properties.h
+++ b/src/compiler/node-properties.h
@@ -116,6 +116,27 @@ class NodeProperties final {
   static void CollectControlProjections(Node* node, Node** proj, size_t count);
 
   // ---------------------------------------------------------------------------
+  // Context.
+
+  // Try to retrieve the specialization context from the given {node},
+  // optionally utilizing the knowledge about the (outermost) function
+  // {context}.
+  static MaybeHandle<Context> GetSpecializationContext(
+      Node* node, MaybeHandle<Context> context = MaybeHandle<Context>());

[Michael Starzinger, 2015/11/18 09:16:20]

As discussed offline: It might be time to remove the comment in front of the
MaybeHandle class saying "do not use MaybeHandle as argument type".

[Benedikt Meurer, 2015/11/18 09:16:39]

Done.

+
+  // Try to retrieve the specialization native context from the given
+  // {node}, optionally utilizing the knowledge about the (outermost)
+  // {native_context}.
+  static MaybeHandle<Context> GetSpecializationNativeContext(
+      Node* node, MaybeHandle<Context> native_context = MaybeHandle<Context>());
+
+  // Try to retrieve the specialization global object from the given
+  // {node}, optionally utilizing the knowledge about the (outermost)
+  // {native_context}.
+  static MaybeHandle<JSGlobalObject> GetSpecializationGlobalObject(
+      Node* node, MaybeHandle<Context> native_context = MaybeHandle<Context>());
+
+  // ---------------------------------------------------------------------------
   // Type.
 
   static bool IsTyped(Node* node) { return node->type() != nullptr; }