Cleanup of ARM exception handlers. Remove the unused code and...

src/arm/virtual-frame-arm.cc

Index: src/arm/virtual-frame-arm.cc
===================================================================
--- src/arm/virtual-frame-arm.cc	(revision 2128)
+++ src/arm/virtual-frame-arm.cc	(working copy)
@@ -230,8 +230,8 @@
 
 
 void VirtualFrame::PushTryHandler(HandlerType type) {
-  // Grow the expression stack by handler size less one (the return address
-  // is already pushed by a call instruction).
+  // Grow the expression stack by handler size less one (the return
+  // address in lr is already counted by a call instruction).
   Adjust(kHandlerSize - 1);
   __ PushTryHandler(IN_JAVASCRIPT, type);
 }