Support external arrays in Crankshaft

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index cc931012976f919294ea06308484f64c83553c04..b82ca9d3dba0f33bf7ed47ed8757dcab1a5a2045 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -2326,7 +2326,10 @@ void LCodeGen::DoLoadKeyedFastElement(LLoadKeyedFastElement* instr) {
 }
 
 
-void LCodeGen::DoLoadPixelArrayElement(LLoadPixelArrayElement* instr) {
+void LCodeGen::DoLoadKeyedSpecializedArrayElement(
+    LLoadKeyedSpecializedArrayElement* instr) {
+  ASSERT(instr->array_type() == kExternalPixelArray);
+
   Register external_pointer = ToRegister(instr->external_pointer());
   Register key = ToRegister(instr->key());
   Register result = ToRegister(instr->result());
@@ -2994,7 +2997,10 @@ void LCodeGen::DoStoreKeyedFastElement(LStoreKeyedFastElement* instr) {
 }
 
 
-void LCodeGen::DoStorePixelArrayElement(LStorePixelArrayElement* instr) {
+void LCodeGen::DoStoreKeyedSpecializedArrayElement(
+    LStoreKeyedSpecializedArrayElement* instr) {
+  ASSERT(instr->array_type() == kExternalPixelArray);
+
   Register external_pointer = ToRegister(instr->external_pointer());
   Register key = ToRegister(instr->key());
   Register value = ToRegister(instr->value());