Make ipc_tests file structure a little saner and add an ipc_perftests target.

ipc/ipc_test_base.h

 // Copyright (c) 2011 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.
 
-#ifndef IPC_IPC_TESTS_H_
-#define IPC_IPC_TESTS_H_
+#ifndef IPC_IPC_TEST_BASE_H_
+#define IPC_IPC_TEST_BASE_H_
 
+#include "base/process.h"
 #include "base/test/multiprocess_test.h"
-#include "base/process.h"
-
-// This unit test uses 3 types of child processes, a regular pipe client,
-// a client reflector and a IPC server used for fuzzing tests.
-enum ChildType {
-  TEST_CLIENT,
-  TEST_DESCRIPTOR_CLIENT,
-  TEST_DESCRIPTOR_CLIENT_SANDBOXED,
-  TEST_REFLECTOR,
-  FUZZER_SERVER,
-  SYNC_SOCKET_SERVER
-};
 
 // The different channel names for the child processes.
 extern const char kTestClientChannel[];
 extern const char kReflectorChannel[];
 extern const char kFuzzerChannel[];
 extern const char kSyncSocketChannel[];
 
 class MessageLoopForIO;
 namespace IPC {
 class Channel;
 }  // namespace IPC
 
-//Base class to facilitate Spawning IPC Client processes.
-class IPCChannelTest : public base::MultiProcessTest {
+// Base class to facilitate spawning IPC client processes.
+class IPCTestBase : public base::MultiProcessTest {
+ public:
+  enum ChildType {
+    TEST_CLIENT,
+    TEST_DESCRIPTOR_CLIENT,
+    TEST_DESCRIPTOR_CLIENT_SANDBOXED,
+    TEST_REFLECTOR,
+    FUZZER_SERVER,
+    SYNC_SOCKET_SERVER
+  };
+
  protected:
-
-  // Create a new MessageLoopForIO For each test.
+  // Create a new MessageLoopForIO for each test.
   virtual void SetUp() OVERRIDE;
   virtual void TearDown() OVERRIDE;
 
   // Spawns a child process of the specified type
   base::ProcessHandle SpawnChild(ChildType child_type, IPC::Channel* channel);
 
   // Created around each test instantiation.
   MessageLoopForIO* message_loop_;
 };
 
-#endif  // IPC_IPC_TESTS_H_
+#endif  // IPC_IPC_TEST_BASE_H_