Remove sharpening as an optimization pass.

Make the last sharpening helper (methods) like the other
helpers: being invoked by the instruction builder.

Test: test.py
Change-Id: Ic80a454f9b59b0b4ef7825590b24402500ba851c
diff --git a/compiler/optimizing/code_generator_mips.cc b/compiler/optimizing/code_generator_mips.cc
index d74a7a7..1cf5515 100644
--- a/compiler/optimizing/code_generator_mips.cc
+++ b/compiler/optimizing/code_generator_mips.cc
@@ -7964,7 +7964,7 @@
 
 HInvokeStaticOrDirect::DispatchInfo CodeGeneratorMIPS::GetSupportedInvokeStaticOrDirectDispatch(
       const HInvokeStaticOrDirect::DispatchInfo& desired_dispatch_info,
-      HInvokeStaticOrDirect* invoke ATTRIBUTE_UNUSED) {
+      ArtMethod* method ATTRIBUTE_UNUSED) {
   return desired_dispatch_info;
 }