Rewrite decodeURL as builtin function, remove now unused runtime functions.

src/full-codegen/arm/full-codegen-arm.cc

Index: src/full-codegen/arm/full-codegen-arm.cc
diff --git a/src/full-codegen/arm/full-codegen-arm.cc b/src/full-codegen/arm/full-codegen-arm.cc
index 91253e3fd2cc38df1d3577bb226bb76e3da22e3b..ec26a9ed75c867ca599a3e1ac5e9a0cc1ddc3d84 100644
--- a/src/full-codegen/arm/full-codegen-arm.cc
+++ b/src/full-codegen/arm/full-codegen-arm.cc
@@ -2901,73 +2901,6 @@ void FullCodeGenerator::EmitValueOf(CallRuntime* expr) {
 }
 
 
-void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK_EQ(3, args->length());
-
-  Register string = r0;
-  Register index = r1;
-  Register value = r2;
-
-  VisitForStackValue(args->at(0));        // index
-  VisitForStackValue(args->at(1));        // value
-  VisitForAccumulatorValue(args->at(2));  // string
-  PopOperands(index, value);
-
-  if (FLAG_debug_code) {
-    __ SmiTst(value);
-    __ Check(eq, kNonSmiValue);
-    __ SmiTst(index);
-    __ Check(eq, kNonSmiIndex);
-    __ SmiUntag(index, index);
-    static const uint32_t one_byte_seq_type = kSeqStringTag | kOneByteStringTag;
-    __ EmitSeqStringSetCharCheck(string, index, value, one_byte_seq_type);
-    __ SmiTag(index, index);
-  }
-
-  __ SmiUntag(value, value);
-  __ add(ip,
-         string,
-         Operand(SeqOneByteString::kHeaderSize - kHeapObjectTag));
-  __ strb(value, MemOperand(ip, index, LSR, kSmiTagSize));
-  context()->Plug(string);
-}
-
-
-void FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK_EQ(3, args->length());
-
-  Register string = r0;
-  Register index = r1;
-  Register value = r2;
-
-  VisitForStackValue(args->at(0));        // index
-  VisitForStackValue(args->at(1));        // value
-  VisitForAccumulatorValue(args->at(2));  // string
-  PopOperands(index, value);
-
-  if (FLAG_debug_code) {
-    __ SmiTst(value);
-    __ Check(eq, kNonSmiValue);
-    __ SmiTst(index);
-    __ Check(eq, kNonSmiIndex);
-    __ SmiUntag(index, index);
-    static const uint32_t two_byte_seq_type = kSeqStringTag | kTwoByteStringTag;
-    __ EmitSeqStringSetCharCheck(string, index, value, two_byte_seq_type);
-    __ SmiTag(index, index);
-  }
-
-  __ SmiUntag(value, value);
-  __ add(ip,
-         string,
-         Operand(SeqTwoByteString::kHeaderSize - kHeapObjectTag));
-  STATIC_ASSERT(kSmiTagSize == 1 && kSmiTag == 0);
-  __ strh(value, MemOperand(ip, index));
-  context()->Plug(string);
-}
-
-
 void FullCodeGenerator::EmitStringCharFromCode(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK(args->length() == 1);