Separate CompilationInfo into its own file.

test/unittests/compiler/js-type-feedback-unittest.cc

 // Copyright 2015 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.h"
-
+#include "src/compiler/js-type-feedback.h"
+#include "src/compilation-dependencies.h"
 #include "src/compiler/access-builder.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-operator.h"
-#include "src/compiler/js-type-feedback.h"
 #include "src/compiler/machine-operator.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/operator-properties.h"
 
 #include "test/unittests/compiler/compiler-test-utils.h"
 #include "test/unittests/compiler/graph-unittest.h"
 #include "test/unittests/compiler/node-test-utils.h"
 #include "testing/gmock-support.h"
 
@@ skipping 306 matching lines @@
               IsReturn(load_field_match, load_field_match, graph()->start()));
   EXPECT_THAT(graph()->end(), IsEnd(ret));
 
   EXPECT_FALSE(dependencies()->IsEmpty());
   dependencies()->Rollback();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8