TargetInstrInfo: rename GetInstSizeInBytes to getInstSizeInBytes. NFC

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

llvm-svn: 276997
diff --git a/llvm/lib/Target/ARM/ARMComputeBlockSize.cpp b/llvm/lib/Target/ARM/ARMComputeBlockSize.cpp
index 7c86a6a..64f187d 100644
--- a/llvm/lib/Target/ARM/ARMComputeBlockSize.cpp
+++ b/llvm/lib/Target/ARM/ARMComputeBlockSize.cpp
@@ -42,8 +42,8 @@
   BBI.PostAlign = 0;
 
   for (MachineInstr &I : *MBB) {
-    BBI.Size += TII->GetInstSizeInBytes(I);
-    // For inline asm, GetInstSizeInBytes returns a conservative estimate.
+    BBI.Size += TII->getInstSizeInBytes(I);
+    // For inline asm, getInstSizeInBytes returns a conservative estimate.
     // The actual size may be smaller, but still a multiple of the instr size.
     if (I.isInlineAsm())
       BBI.Unalign = isThumb ? 1 : 2;