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/Target/ThreadPlanCallUserExpression.cpp b/lldb/source/Target/ThreadPlanCallUserExpression.cpp
index 2ab44d9..679040d 100644
--- a/lldb/source/Target/ThreadPlanCallUserExpression.cpp
+++ b/lldb/source/Target/ThreadPlanCallUserExpression.cpp
@@ -17,7 +17,6 @@
 #include "lldb/Breakpoint/Breakpoint.h"
 #include "lldb/Breakpoint/BreakpointLocation.h"
 #include "lldb/Core/Address.h"
-#include "lldb/Core/Log.h"
 #include "lldb/Expression/DiagnosticManager.h"
 #include "lldb/Expression/IRDynamicChecks.h"
 #include "lldb/Expression/UserExpression.h"
@@ -29,6 +28,7 @@
 #include "lldb/Target/Target.h"
 #include "lldb/Target/Thread.h"
 #include "lldb/Target/ThreadPlanRunToAddress.h"
+#include "lldb/Utility/Log.h"
 #include "lldb/Utility/Stream.h"
 
 using namespace lldb;