Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

net/tools/crash_cache/crash_cache.cc

Index: net/tools/crash_cache/crash_cache.cc
diff --git a/net/tools/crash_cache/crash_cache.cc b/net/tools/crash_cache/crash_cache.cc
index f59863ee6d76d5b3c1719eaad9a3dc3a250211a8..5613d0d3b47b23ac46ae46dd4b2b4d16c71e150e 100644
--- a/net/tools/crash_cache/crash_cache.cc
+++ b/net/tools/crash_cache/crash_cache.cc
@@ -138,8 +138,8 @@ bool CreateCache(const base::FilePath& path,
                  disk_cache::Backend** cache,
                  net::TestCompletionCallback* cb) {
   int size = 1024 * 1024;
-  disk_cache::BackendImpl* backend =
-      new disk_cache::BackendImpl(path, thread->message_loop_proxy(), NULL);
+  disk_cache::BackendImpl* backend = new disk_cache::BackendImpl(
+      path, thread->message_loop_proxy().get(), NULL);
   backend->SetMaxSize(size);
   backend->SetType(net::DISK_CACHE);
   backend->SetFlags(disk_cache::kNoRandom);
@@ -265,7 +265,7 @@ int LoadOperations(const base::FilePath& path, RankCrashes action,
 
   // Work with a tiny index table (16 entries).
   disk_cache::BackendImpl* cache = new disk_cache::BackendImpl(
-      path, 0xf, cache_thread->message_loop_proxy(), NULL);
+      path, 0xf, cache_thread->message_loop_proxy().get(), NULL);
   if (!cache || !cache->SetMaxSize(0x100000))
     return GENERIC;