Added infrastructure for optimizing new CanvasArray types in WebGL...

src/arm/ic-arm.cc

Index: src/arm/ic-arm.cc
===================================================================
--- src/arm/ic-arm.cc	(revision 3095)
+++ src/arm/ic-arm.cc	(working copy)
@@ -615,6 +615,13 @@
 }
 
 
+void KeyedLoadIC::GenerateExternalArray(MacroAssembler* masm,
+                                        ExternalArrayType array_type) {
+  // TODO(476): port specialized code.
+  GenerateGeneric(masm);
+}
+
+
 void KeyedStoreIC::Generate(MacroAssembler* masm,
                             const ExternalReference& f) {
   // ---------- S t a t e --------------
@@ -748,6 +755,13 @@
 }
 
 
+void KeyedStoreIC::GenerateExternalArray(MacroAssembler* masm,
+                                         ExternalArrayType array_type) {
+  // TODO(476): port specialized code.
+  GenerateGeneric(masm);
+}
+
+
 void KeyedStoreIC::GenerateExtendStorage(MacroAssembler* masm) {
   // ---------- S t a t e --------------
   //  -- r0     : value