MC: Clean up method names in MCContext.

The naming was a mish-mash of old and new style. Update to be consistent
with the new. NFC.

llvm-svn: 237594
diff --git a/llvm/lib/CodeGen/GCRootLowering.cpp b/llvm/lib/CodeGen/GCRootLowering.cpp
index ac35165..e6fd79c 100644
--- a/llvm/lib/CodeGen/GCRootLowering.cpp
+++ b/llvm/lib/CodeGen/GCRootLowering.cpp
@@ -272,7 +272,7 @@
 MCSymbol *GCMachineCodeAnalysis::InsertLabel(MachineBasicBlock &MBB,
                                              MachineBasicBlock::iterator MI,
                                              DebugLoc DL) const {
-  MCSymbol *Label = MBB.getParent()->getContext().CreateTempSymbol();
+  MCSymbol *Label = MBB.getParent()->getContext().createTempSymbol();
   BuildMI(MBB, MI, DL, TII->get(TargetOpcode::GC_LABEL)).addSym(Label);
   return Label;
 }