Replace RE2 import with a dependency

components/keyed_service/core/dependency_graph_unittest.cc

 // Copyright 2014 The Chromium 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 "base/bind.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/string_piece.h"
 #include "components/keyed_service/core/dependency_graph.h"
 #include "components/keyed_service/core/dependency_node.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/re2/re2/re2.h"
+#include "third_party/re2/src/re2/re2.h"
 
 namespace {
 
 class DependencyGraphTest : public testing::Test {};
 
 class DummyNode : public DependencyNode {
  public:
   explicit DummyNode(DependencyGraph* graph) : dependency_graph_(graph) {
     dependency_graph_->AddNode(this);
   }
@@ skipping 185 matching lines @@
   for (const char* name : names) {
     SCOPED_TRACE(testing::Message("name=") << name);
     std::string graph_str =
         graph.DumpAsGraphviz("Test", base::Bind(&NodeNameProvider, name));
     base::StringPiece dumped_name(LocateNodeNameInGraph(graph_str));
     EXPECT_TRUE(IsValidDotId(dumped_name)) << "dumped_name=" << dumped_name;
   }
 }
 
 }  // namespace