Move heap and CPU profilers into a dedicated directory.

src/profiler/profile-generator.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_PROFILE_GENERATOR_H_
-#define V8_PROFILE_GENERATOR_H_
+#ifndef V8_PROFILER_PROFILE_GENERATOR_H_
+#define V8_PROFILER_PROFILE_GENERATOR_H_
 
 #include <map>
 #include "include/v8-profiler.h"
 #include "src/allocation.h"
 #include "src/compiler.h"
 #include "src/hashmap.h"
 #include "src/strings-storage.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 361 matching lines @@
   CodeEntry* idle_entry_;
   CodeEntry* gc_entry_;
   CodeEntry* unresolved_entry_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileGenerator);
 };
 
 
 } }  // namespace v8::internal
 
-#endif  // V8_PROFILE_GENERATOR_H_
+#endif  // V8_PROFILER_PROFILE_GENERATOR_H_