Move Log from Core -> Utility.

All references to Host and Core have been removed, so this
class can now safely be lowered into Utility.

Differential Revision: https://reviews.llvm.org/D30559

llvm-svn: 296909
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.cpp b/lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.cpp
index 3e5bc0a..95d81db 100644
--- a/lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.cpp
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.cpp
@@ -26,7 +26,6 @@
 #include "ClangPersistentVariables.h"
 
 #include "lldb/Core/Debugger.h"
-#include "lldb/Core/Log.h"
 #include "lldb/Core/Module.h"
 #include "lldb/Core/StreamFile.h"
 #include "lldb/Core/ValueObjectConstResult.h"
@@ -50,6 +49,7 @@
 #include "lldb/Target/ThreadPlan.h"
 #include "lldb/Target/ThreadPlanCallUserExpression.h"
 #include "lldb/Utility/ConstString.h"
+#include "lldb/Utility/Log.h"
 #include "lldb/Utility/StreamString.h"
 
 #include "clang/AST/DeclCXX.h"