Switch MessagePumpForIO to use completion ports on Windows....

net/disk_cache/disk_cache_test_base.h

Index: net/disk_cache/disk_cache_test_base.h
===================================================================
--- net/disk_cache/disk_cache_test_base.h	(revision 4870)
+++ net/disk_cache/disk_cache_test_base.h	(working copy)
@@ -9,12 +9,6 @@
 #include "base/platform_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-// These tests can use the path service, which uses autoreleased objects on the
-// Mac, so this needs to be a PlatformTest.  Even tests that do not require a
-// cache (and that do not need to be a DiskCacheTestWithCache) are susceptible
-// to this problem; all such tests should use TEST_F(DiskCacheTest, ...).
-typedef PlatformTest DiskCacheTest;
-
 namespace disk_cache {
 
 class Backend;
@@ -23,6 +17,14 @@
 
 }  // namespace disk_cache
 
+// These tests can use the path service, which uses autoreleased objects on the
+// Mac, so this needs to be a PlatformTest.  Even tests that do not require a
+// cache (and that do not need to be a DiskCacheTestWithCache) are susceptible
+// to this problem; all such tests should use TEST_F(DiskCacheTest, ...).
+class DiskCacheTest : public PlatformTest {
+  virtual void TearDown();
+};
+
 // Provides basic support for cache related tests.
 class DiskCacheTestWithCache : public DiskCacheTest {
  protected: