[turbofan] Add schedule to visualizer output

src/compiler/visualizer.h

Index: src/compiler/visualizer.h
diff --git a/src/compiler/graph-visualizer.h b/src/compiler/visualizer.h
similarity index 82%
rename from src/compiler/graph-visualizer.h
rename to src/compiler/visualizer.h
index 17094c23c57c37a93433565bbfba91aa193f1c97..b1ad68ad2612183b63b653a7a50f36ffc734145f 100644
--- a/src/compiler/graph-visualizer.h
+++ b/src/compiler/visualizer.h
@@ -28,31 +28,30 @@ struct AsDOT {
   const Graph& graph;
 };
 
-std::ostream& operator<<(std::ostream& os, const AsDOT& ad);
-
-
-struct AsJSON {
-  AsJSON(const Graph& g, SourcePositionTable* p) : graph(g), positions(p) {}
+struct GraphAsJSON {
+  GraphAsJSON(const Graph& g, SourcePositionTable* p)
+      : graph(g), positions(p) {}
   const Graph& graph;
   const SourcePositionTable* positions;
 };
 
-std::ostream& operator<<(std::ostream& os, const AsJSON& ad);
+struct ScheduleAsJSON {
+  explicit ScheduleAsJSON(const Schedule& s, SourcePositionTable* p = NULL)
+      : schedule(s), positions(p) {}
+  const Schedule& schedule;
+  const SourcePositionTable* positions;
+};
 
 struct AsRPO {
   explicit AsRPO(const Graph& g) : graph(g) {}
   const Graph& graph;
 };
 
-std::ostream& operator<<(std::ostream& os, const AsRPO& ad);
-
-
 struct AsC1VCompilation {
   explicit AsC1VCompilation(const CompilationInfo* info) : info_(info) {}
   const CompilationInfo* info_;
 };
 
-
 struct AsC1V {
   AsC1V(const char* phase, const Schedule* schedule,
         const SourcePositionTable* positions = NULL,
@@ -76,6 +75,10 @@ struct AsC1VAllocator {
 };
 
 std::ostream& operator<<(std::ostream& os, const AsDOT& ad);
+std::ostream& operator<<(std::ostream& os, const GraphAsJSON& ad);
+std::ostream& operator<<(std::ostream& os, const ScheduleAsJSON& ad);
+std::ostream& operator<<(std::ostream& os, const AsRPO& ad);
+std::ostream& operator<<(std::ostream& os, const AsDOT& ad);
 std::ostream& operator<<(std::ostream& os, const AsC1VCompilation& ac);
 std::ostream& operator<<(std::ostream& os, const AsC1V& ac);
 std::ostream& operator<<(std::ostream& os, const AsC1VAllocator& ac);