Use scoped_ptr::Pass instead of scoped_ptr::PassAs<T>.

base/memory/discardable_memory_android.cc

Index: base/memory/discardable_memory_android.cc
diff --git a/base/memory/discardable_memory_android.cc b/base/memory/discardable_memory_android.cc
index 7dd8df71dc736d9e5dd5f3d5f9732d34b6020fea..b1258c2e7554f5885684fb17ba3d4f0166a089a2 100644
--- a/base/memory/discardable_memory_android.cc
+++ b/base/memory/discardable_memory_android.cc
@@ -67,26 +67,26 @@ scoped_ptr<DiscardableMemory> DiscardableMemory::CreateLockedMemoryWithType(
           new internal::DiscardableMemoryAshmem(
               size, &shared_state->allocator, &shared_state->manager));
       if (!memory->Initialize())
-        return scoped_ptr<DiscardableMemory>();
+        return nullptr;
 
-      return memory.PassAs<DiscardableMemory>();
+      return memory.Pass();
     }
     case DISCARDABLE_MEMORY_TYPE_EMULATED: {
       scoped_ptr<internal::DiscardableMemoryEmulated> memory(
           new internal::DiscardableMemoryEmulated(size));
       if (!memory->Initialize())
-        return scoped_ptr<DiscardableMemory>();
+        return nullptr;
 
-      return memory.PassAs<DiscardableMemory>();
+      return memory.Pass();
     }
     case DISCARDABLE_MEMORY_TYPE_NONE:
     case DISCARDABLE_MEMORY_TYPE_MAC:
       NOTREACHED();
-      return scoped_ptr<DiscardableMemory>();
+      return nullptr;
   }
 
   NOTREACHED();
-  return scoped_ptr<DiscardableMemory>();
+  return nullptr;
 }
 
 // static