Revert of Add RoutingIDIssuer to help track routing id issues.

content/browser/renderer_host/routing_id_issuer_unittest.cc

Index: content/browser/renderer_host/routing_id_issuer_unittest.cc
diff --git a/content/browser/renderer_host/routing_id_issuer_unittest.cc b/content/browser/renderer_host/routing_id_issuer_unittest.cc
deleted file mode 100644
index da1e528d6ad2d15879d94f219b4482f518aa0e8d..0000000000000000000000000000000000000000
--- a/content/browser/renderer_host/routing_id_issuer_unittest.cc
+++ /dev/null
@@ -1,41 +0,0 @@
-// 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 "content/browser/renderer_host/routing_id_issuer.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-namespace {
-
-const int kMangler = 5;
-
-class RoutingIDIssuerTest : public testing::Test {};
-
-TEST_F(RoutingIDIssuerTest, IssueNext) {
-  scoped_ptr<RoutingIDIssuer> target =
-      RoutingIDIssuer::CreateWithMangler(kMangler);
-  int id0 = target->IssueNext();
-  int id1 = target->IssueNext();
-  EXPECT_EQ(id0 + 1, id1);
-}
-
-TEST_F(RoutingIDIssuerTest, IsProbablyValid) {
-  scoped_ptr<RoutingIDIssuer> proper =
-      RoutingIDIssuer::CreateWithMangler(kMangler);
-  scoped_ptr<RoutingIDIssuer> foreign =
-      RoutingIDIssuer::CreateWithMangler(kMangler + 1);
-
-  EXPECT_FALSE(proper->IsProbablyValid(kMangler));
-
-  int proper_id = proper->IssueNext();
-  int foreign_id = foreign->IssueNext();
-  EXPECT_TRUE(proper->IsProbablyValid(proper_id));
-  EXPECT_TRUE(foreign->IsProbablyValid(foreign_id));
-  EXPECT_FALSE(proper->IsProbablyValid(foreign_id));
-  EXPECT_FALSE(foreign->IsProbablyValid(proper_id));
-}
-
-}  // namespace
-}  // namespace contnet