Inform disk cache of WebKit memory cache hits.

net/http/http_cache_unittest.cc

 // 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.
 
 #include "net/http/http_cache.h"
 
 #include "base/hash_tables.h"
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop.h"
 #include "base/string_util.h"
@@ skipping 54 matching lines @@
 
 //-----------------------------------------------------------------------------
 // mock disk cache (a very basic memory cache implementation)
 
 static const int kNumCacheEntryDataIndices = 3;
 
 class MockDiskEntry : public disk_cache::Entry,
                       public base::RefCounted<MockDiskEntry> {
  public:
   MockDiskEntry()
-      : test_mode_(0), doomed_(false), sparse_(false), fail_requests_(false),
-        busy_(false), delayed_(false) {
+      : test_mode_(0), doomed_(false), sparse_(false),
+        fail_requests_(false), busy_(false), delayed_(false) {
   }
 
   explicit MockDiskEntry(const std::string& key)
-      : key_(key), doomed_(false), sparse_(false), fail_requests_(false),
-        busy_(false), delayed_(false) {
+      : key_(key), doomed_(false), sparse_(false),
+        fail_requests_(false), busy_(false), delayed_(false) {
     test_mode_ = GetTestModeForEntry(key);
   }
 
   bool is_doomed() const { return doomed_; }
 
   virtual void Doom() {
     doomed_ = true;
   }
 
   virtual void Close() {
@@ skipping 388 matching lines @@
                             net::CompletionCallback* callback) {
     return net::ERR_NOT_IMPLEMENTED;
   }
 
   virtual void EndEnumeration(void** iter) {}
 
   virtual void GetStats(
       std::vector<std::pair<std::string, std::string> >* stats) {
   }
 
+  virtual void OnExternalCacheHit(const std::string& key) {}
+
   // returns number of times a cache entry was successfully opened
   int open_count() const { return open_count_; }
 
   // returns number of times a cache entry was successfully created
   int create_count() const { return create_count_; }
 
   // Fail any subsequent CreateEntry and OpenEntry.
   void set_fail_requests() { fail_requests_ = true; }
 
   // Return entries that fail some of their requests.
@@ skipping 4592 matching lines @@
   // Now return 200 when validating the entry so the metadata will be lost.
   MockTransaction trans2(kTypicalGET_Transaction);
   trans2.load_flags = net::LOAD_VALIDATE_CACHE;
   RunTransactionTestWithResponseInfo(cache.http_cache(), trans2, &response);
   EXPECT_TRUE(response.metadata.get() == NULL);
 
   EXPECT_EQ(3, cache.network_layer()->transaction_count());
   EXPECT_EQ(4, cache.disk_cache()->open_count());
   EXPECT_EQ(1, cache.disk_cache()->create_count());
 }