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

src/runtime/runtime-liveedit.cc

Index: src/runtime/runtime-liveedit.cc
diff --git a/src/runtime/runtime-liveedit.cc b/src/runtime/runtime-liveedit.cc
index a121d8f1698c8e1dc7359b8f4dd05b2f362903da..b453d154592f235c4f14be702d44a7ef4b3d868c 100644
--- a/src/runtime/runtime-liveedit.cc
+++ b/src/runtime/runtime-liveedit.cc
@@ -279,7 +279,7 @@ RUNTIME_FUNCTION(Runtime_LiveEditRestartFrame) {
   }
 
   JavaScriptFrameIterator it(isolate, id);
-  int inlined_jsframe_index = FindIndexedNonNativeFrame(&it, index);
+  int inlined_jsframe_index = Runtime::FindIndexedNonNativeFrame(&it, index);
   if (inlined_jsframe_index == -1) return heap->undefined_value();
   // We don't really care what the inlined frame index is, since we are
   // throwing away the entire frame anyways.