Refactoring InterfaceDescriptors away from code-stubs.h

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 46aaaec847e1a98ca5d5da52e4e29ea9714365be..e957fdf6c46f20ea1ba78be2e09152d4f5c9c884 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -732,6 +732,8 @@ source_set("v8_base") {
     "src/ic/stub-cache.h",
     "src/interface.cc",
     "src/interface.h",
+    "src/interface-descriptors.cc",
+    "src/interface-descriptors.h",
     "src/interpreter-irregexp.cc",
     "src/interpreter-irregexp.h",
     "src/isolate.cc",
@@ -889,6 +891,7 @@ source_set("v8_base") {
       "src/ia32/frames-ia32.cc",
       "src/ia32/frames-ia32.h",
       "src/ia32/full-codegen-ia32.cc",
+      "src/ia32/interface-descriptors-ia32.cc",
       "src/ia32/lithium-codegen-ia32.cc",
       "src/ia32/lithium-codegen-ia32.h",
       "src/ia32/lithium-gap-resolver-ia32.cc",
@@ -925,6 +928,7 @@ source_set("v8_base") {
       "src/x64/frames-x64.cc",
       "src/x64/frames-x64.h",
       "src/x64/full-codegen-x64.cc",
+      "src/x64/interface-descriptors-x64.cc",
       "src/x64/lithium-codegen-x64.cc",
       "src/x64/lithium-codegen-x64.h",
       "src/x64/lithium-gap-resolver-x64.cc",
@@ -965,6 +969,8 @@ source_set("v8_base") {
       "src/arm/frames-arm.cc",
       "src/arm/frames-arm.h",
       "src/arm/full-codegen-arm.cc",
+      "src/arm/interface-descriptors-arm.cc",
+      "src/arm/interface-descriptors-arm.h",
       "src/arm/lithium-arm.cc",
       "src/arm/lithium-arm.h",
       "src/arm/lithium-codegen-arm.cc",
@@ -1013,6 +1019,8 @@ source_set("v8_base") {
       "src/arm64/instructions-arm64.h",
       "src/arm64/instrument-arm64.cc",
       "src/arm64/instrument-arm64.h",
+      "src/arm64/interface-descriptors-arm64.cc",
+      "src/arm64/interface-descriptors-arm64.h",
       "src/arm64/lithium-arm64.cc",
       "src/arm64/lithium-arm64.h",
       "src/arm64/lithium-codegen-arm64.cc",