TargetInstrInfo: rename GetInstSizeInBytes to getInstSizeInBytes. NFC

Differential Revision: https://reviews.llvm.org/D22925

llvm-svn: 276997
diff --git a/llvm/lib/Target/ARM/ARMFrameLowering.cpp b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
index e8c9f61..3ce62e5 100644
--- a/llvm/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
@@ -1359,7 +1359,7 @@
   unsigned FnSize = 0;
   for (auto &MBB : MF) {
     for (auto &MI : MBB)
-      FnSize += TII.GetInstSizeInBytes(MI);
+      FnSize += TII.getInstSizeInBytes(MI);
   }
   return FnSize;
 }