Rename: StripCasts describes what it does better. 
getBaseRegion will be used in another method.

llvm-svn: 86649
diff --git a/clang/lib/Analysis/MemRegion.cpp b/clang/lib/Analysis/MemRegion.cpp
index 353e632..ad3d36e 100644
--- a/clang/lib/Analysis/MemRegion.cpp
+++ b/clang/lib/Analysis/MemRegion.cpp
@@ -382,7 +382,7 @@
 // View handling.
 //===----------------------------------------------------------------------===//
 
-const MemRegion *MemRegion::getBaseRegion() const {
+const MemRegion *MemRegion::StripCasts() const {
   const MemRegion *R = this;
   while (true) {
     if (const ElementRegion *ER = dyn_cast<ElementRegion>(R)) {