[CodeCompletion] Move implemetnation of CodeCompletionContext::copyString to header

Author: ahoppen

include/swift/IDE/CodeCompletionContext.h

@@ -90,7 +90,9 @@ class CodeCompletionContext {
   }
 
   /// Allocate a string owned by the code completion context.
-  StringRef copyString(StringRef Str);
+  StringRef copyString(StringRef Str) {
+    return Str.copy(*CurrentResults.Allocator);
+  }
 
   /// Sort code completion results in an implementation-defined order
   /// in place.

lib/IDE/CodeCompletionContext.cpp

@@ -15,10 +15,6 @@
 using namespace swift;
 using namespace swift::ide;
 
-StringRef CodeCompletionContext::copyString(StringRef Str) {
-  return Str.copy(*CurrentResults.Allocator);
-}
-
 std::vector<CodeCompletionResult *>
 CodeCompletionContext::sortCompletionResults(
     ArrayRef<CodeCompletionResult *> Results) {