[arm] Remove embedded constant pool support.

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index a69b918ed801b15092c9320263a9853d3f51cb5e..118044675cb47f43cc4107dadf5a9abbcc0e2c07 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -41,7 +41,6 @@ inline MemOperand FieldMemOperand(Register object, int offset) {
 
 // Give alias names to registers
 const Register cp = {Register::kCode_r7};  // JavaScript context pointer.
-const Register pp = {Register::kCode_r8};  // Constant pool pointer.
 const Register kRootRegister = {Register::kCode_r10};  // Roots array pointer.
 
 // Flags used for AllocateHeapNumber
@@ -474,12 +473,10 @@ class MacroAssembler: public Assembler {
     }
   }
 
-  // Push a fixed frame, consisting of lr, fp, constant pool (if
-  // FLAG_enable_embedded_constant_pool)
+  // Push a fixed frame, consisting of lr, fp
   void PushCommonFrame(Register marker_reg = no_reg);
 
-  // Push a standard frame, consisting of lr, fp, constant pool (if
-  // FLAG_enable_embedded_constant_pool), context and JS function
+  // Push a standard frame, consisting of lr, fp, context and JS function
   void PushStandardFrame(Register function_reg);
 
   void PopCommonFrame(Register marker_reg = no_reg);
@@ -1337,11 +1334,6 @@ class MacroAssembler: public Assembler {
                                        Register scratch_reg,
                                        Label* no_memento_found);
 
-  // Loads the constant pool pointer (pp) register.
-  void LoadConstantPoolPointerRegisterFromCodeTargetAddress(
-      Register code_target_address);
-  void LoadConstantPoolPointerRegister();
-
  private:
   void CallCFunctionHelper(Register function,
                            int num_reg_arguments,