use `SharedMemory::{named, anon}` to replace `::new`

The new constructors are shorter and omit the bare `None` in the `anon`
call sites which gave no clues to the reader what the effect of that
`None` was. This should improve readability.

TEST=./build_test
BUG=None

Change-Id: I2e34e7df9a4ccc5da50edf4e963a6a42e3d84b22
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1797188
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Zach Reizner <zachr@chromium.org>
Tested-by: Zach Reizner <zachr@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>

2 files changed, 3 insertions, 3 deletions

diff --git a/kvm/tests/dirty_log.rs b/kvm/tests/dirty_log.rs
index 4efb208..8d8e56d 100644
--- a/kvm/tests/dirty_log.rs
+++ b/kvm/tests/dirty_log.rs
@@ -18,7 +18,7 @@ fn test_run() {
     let mem_size = 0x10000;
     let load_addr = GuestAddress(0x1000);
     let guest_mem = GuestMemory::new(&[]).unwrap();
-    let mut mem = SharedMemory::new(None).expect("failed to create shared memory");
+    let mut mem = SharedMemory::anon().expect("failed to create shared memory");
     mem.set_size(mem_size)
         .expect("failed to set shared memory size");
     let mmap =
diff --git a/kvm/tests/read_only_memory.rs b/kvm/tests/read_only_memory.rs
index c1dd854..54f0acd 100644
--- a/kvm/tests/read_only_memory.rs
+++ b/kvm/tests/read_only_memory.rs
@@ -20,7 +20,7 @@ fn test_run() {
     let mem_size = 0x2000;
     let load_addr = GuestAddress(0x1000);
     let guest_mem = GuestMemory::new(&[]).unwrap();
-    let mut mem = SharedMemory::new(None).expect("failed to create shared memory");
+    let mut mem = SharedMemory::anon().expect("failed to create shared memory");
     mem.set_size(mem_size)
         .expect("failed to set shared memory size");
     let mmap =
@@ -55,7 +55,7 @@ fn test_run() {
 
     // Give some read only memory for the test code to read from and force a vcpu exit when it reads
     // from it.
-    let mut mem_ro = SharedMemory::new(None).expect("failed to create shared memory");
+    let mut mem_ro = SharedMemory::anon().expect("failed to create shared memory");
     mem_ro
         .set_size(0x1000)
         .expect("failed to set shared memory size");