Separate CompilationInfo into its own file.

src/compiler/graph-visualizer.cc

 // Copyright 2013 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.
 
 #include "src/compiler/graph-visualizer.h"
 
 #include <memory>
 #include <sstream>
 #include <string>
 
 #include "src/code-stubs.h"
-#include "src/compiler.h"
+#include "src/compilation-info.h"
 #include "src/compiler/all-nodes.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/node.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator-properties.h"
 #include "src/compiler/operator.h"
 #include "src/compiler/register-allocator.h"
 #include "src/compiler/schedule.h"
 #include "src/compiler/scheduler.h"
@@ skipping 685 matching lines @@
         os << "]";
       }
       os << std::endl;
     }
   }
   return os;
 }
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8