Use more style-guide-friendly names for some constants.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index c310da88bc03815e53f46a3a461f5ec13eb2f0fe..7fd2fe65824f9d8aa290d73fa975201b6eb8c355 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -3432,7 +3432,7 @@ void CEntryStub::GenerateCore(MacroAssembler* masm,
   // Retrieve the pending exception and clear the variable.
   __ mov(ip, Operand(ExternalReference::the_hole_value_location(isolate)));
   __ ldr(r3, MemOperand(ip));
-  __ mov(ip, Operand(ExternalReference(Isolate::k_pending_exception_address,
+  __ mov(ip, Operand(ExternalReference(Isolate::kPendingExceptionAddress,
                                        isolate)));
   __ ldr(r0, MemOperand(ip));
   __ str(r3, MemOperand(ip));
@@ -3567,7 +3567,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
   __ mov(r7, Operand(Smi::FromInt(marker)));
   __ mov(r6, Operand(Smi::FromInt(marker)));
   __ mov(r5,
-         Operand(ExternalReference(Isolate::k_c_entry_fp_address, isolate)));
+         Operand(ExternalReference(Isolate::kCEntryFPAddress, isolate)));
   __ ldr(r5, MemOperand(r5));
   __ Push(r8, r7, r6, r5);
 
@@ -3576,7 +3576,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
 
   // If this is the outermost JS call, set js_entry_sp value.
   Label non_outermost_js;
-  ExternalReference js_entry_sp(Isolate::k_js_entry_sp_address, isolate);
+  ExternalReference js_entry_sp(Isolate::kJSEntrySPAddress, isolate);
   __ mov(r5, Operand(ExternalReference(js_entry_sp)));
   __ ldr(r6, MemOperand(r5));
   __ cmp(r6, Operand::Zero());
@@ -3597,7 +3597,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
   // exception field in the JSEnv and return a failure sentinel.
   // Coming in here the fp will be invalid because the PushTryHandler below
   // sets it to 0 to signal the existence of the JSEntry frame.
-  __ mov(ip, Operand(ExternalReference(Isolate::k_pending_exception_address,
+  __ mov(ip, Operand(ExternalReference(Isolate::kPendingExceptionAddress,
                                        isolate)));
   __ str(r0, MemOperand(ip));
   __ mov(r0, Operand(reinterpret_cast<int32_t>(Failure::Exception())));
@@ -3615,7 +3615,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
   // Clear any pending exceptions.
   __ mov(ip, Operand(ExternalReference::the_hole_value_location(isolate)));
   __ ldr(r5, MemOperand(ip));
-  __ mov(ip, Operand(ExternalReference(Isolate::k_pending_exception_address,
+  __ mov(ip, Operand(ExternalReference(Isolate::kPendingExceptionAddress,
                                        isolate)));
   __ str(r5, MemOperand(ip));
 
@@ -3662,7 +3662,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
   // Restore the top frame descriptors from the stack.
   __ pop(r3);
   __ mov(ip,
-         Operand(ExternalReference(Isolate::k_c_entry_fp_address, isolate)));
+         Operand(ExternalReference(Isolate::kCEntryFPAddress, isolate)));
   __ str(r3, MemOperand(ip));
 
   // Reset the stack to the callee saved registers.
@@ -4534,7 +4534,7 @@ void RegExpExecStub::Generate(MacroAssembler* masm) {
   // TODO(592): Rerunning the RegExp to get the stack overflow exception.
   __ mov(r1, Operand(ExternalReference::the_hole_value_location(isolate)));
   __ ldr(r1, MemOperand(r1, 0));
-  __ mov(r2, Operand(ExternalReference(Isolate::k_pending_exception_address,
+  __ mov(r2, Operand(ExternalReference(Isolate::kPendingExceptionAddress,
                                        isolate)));
   __ ldr(r0, MemOperand(r2, 0));
   __ cmp(r0, r1);