Remove obsolete src/v8.h include from compiler cctests.

test/cctest/compiler/test-graph-visualizer.cc

Index: test/cctest/compiler/test-graph-visualizer.cc
diff --git a/test/cctest/compiler/test-graph-visualizer.cc b/test/cctest/compiler/test-graph-visualizer.cc
index db8000d99b8c3f1293d32aa17f2ba9f7258a8c76..8fb01aad6ca5570287f2776365ed016dbde148b4 100644
--- a/test/cctest/compiler/test-graph-visualizer.cc
+++ b/test/cctest/compiler/test-graph-visualizer.cc
@@ -5,9 +5,6 @@
 // TODO(jochen): Remove this after the setting is turned on globally.
 #define V8_IMMINENT_DEPRECATION_WARNINGS
 
-#include "src/v8.h"
-#include "test/cctest/cctest.h"
-
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/graph-visualizer.h"
@@ -19,6 +16,7 @@
 #include "src/compiler/scheduler.h"
 #include "src/compiler/source-position.h"
 #include "src/compiler/verifier.h"
+#include "test/cctest/cctest.h"
 
 using namespace v8::internal;
 using namespace v8::internal::compiler;