Split off remaining runtime functions in runtime.cc.

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 7de6830679d37f75efe24b1241a49789ebc9b5a0..a4257cb0b39f93b0534071c9992a5c6b02e1eb99 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -824,19 +824,23 @@ source_set("v8_base") {
     "src/rewriter.h",
     "src/runtime-profiler.cc",
     "src/runtime-profiler.h",
+    "src/runtime/runtime-api.cc",
+    "src/runtime/runtime-array.cc",
     "src/runtime/runtime-classes.cc",
     "src/runtime/runtime-collections.cc",
     "src/runtime/runtime-compiler.cc",
-    "src/runtime/runtime-i18n.cc",
     "src/runtime/runtime-date.cc",
     "src/runtime/runtime-debug.cc",
     "src/runtime/runtime-function.cc",
     "src/runtime/runtime-generator.cc",
+    "src/runtime/runtime-i18n.cc",
+    "src/runtime/runtime-internal.cc",
     "src/runtime/runtime-json.cc",
     "src/runtime/runtime-literals.cc",
     "src/runtime/runtime-liveedit.cc",
     "src/runtime/runtime-maths.cc",
     "src/runtime/runtime-numbers.cc",
+    "src/runtime/runtime-object.cc",
     "src/runtime/runtime-observe.cc",
     "src/runtime/runtime-proxy.cc",
     "src/runtime/runtime-regexp.cc",