Constify Replacements parameter to applyAllReplacements.

http://llvm-reviews.chandlerc.com/D1169

Patch by Guillaume Papin.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186526 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Tooling/Refactoring.cpp b/lib/Tooling/Refactoring.cpp
index 843e4bb..a61bf9a 100644
--- a/lib/Tooling/Refactoring.cpp
+++ b/lib/Tooling/Refactoring.cpp
@@ -123,7 +123,7 @@
                         getRangeSize(Sources, Range), ReplacementText);
 }
 
-bool applyAllReplacements(Replacements &Replaces, Rewriter &Rewrite) {
+bool applyAllReplacements(const Replacements &Replaces, Rewriter &Rewrite) {
   bool Result = true;
   for (Replacements::const_iterator I = Replaces.begin(),
                                     E = Replaces.end();
@@ -137,7 +137,7 @@
   return Result;
 }
 
-std::string applyAllReplacements(StringRef Code, Replacements &Replaces) {
+std::string applyAllReplacements(StringRef Code, const Replacements &Replaces) {
   FileManager Files((FileSystemOptions()));
   DiagnosticsEngine Diagnostics(
       IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs),
@@ -152,8 +152,8 @@
   SourceMgr.overrideFileContents(Entry, Buf);
   FileID ID =
       SourceMgr.createFileID(Entry, SourceLocation(), clang::SrcMgr::C_User);
-  for (Replacements::iterator I = Replaces.begin(), E = Replaces.end(); I != E;
-       ++I) {
+  for (Replacements::const_iterator I = Replaces.begin(), E = Replaces.end();
+       I != E; ++I) {
     Replacement Replace("<stdin>", I->getOffset(), I->getLength(),
                         I->getReplacementText());
     if (!Replace.apply(Rewrite))