Http cache: Add a test to make sure that the cache...

net/disk_cache/disk_cache_test_util.h

Index: net/disk_cache/disk_cache_test_util.h
===================================================================
--- net/disk_cache/disk_cache_test_util.h	(revision 34517)
+++ net/disk_cache/disk_cache_test_util.h	(working copy)
@@ -12,7 +12,6 @@
 #include "base/task.h"
 #include "base/timer.h"
 #include "build/build_config.h"
-#include "net/base/test_completion_callback.h"
 
 class FilePath;
 
@@ -70,24 +69,6 @@
 
 // -----------------------------------------------------------------------
 
-// Simple callback to process IO completions from the cache. This object is not
-// intended to be used when multiple IO operations are in-flight at the same
-// time.
-class SimpleCallbackTest : public TestCompletionCallback  {
- public:
-  SimpleCallbackTest() {}
-  ~SimpleCallbackTest() {}
-
-  // Returns the final result of the IO operation. If |result| is
-  // net::ERR_IO_PENDING, it waits for the callback be invoked.
-  int GetResult(int result);
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(SimpleCallbackTest);
-};
-
-// -----------------------------------------------------------------------
-
 // Simple helper to deal with the message loop on a test.
 class MessageLoopHelper {
  public: