pw_status: Replace Status::Ok() with OkStatus()

- Mark Status::Ok() and StatusWithSize::Ok() as deprecated.
- Replace Status::Ok() with OkStatus().
- Replace StatusWithSize::Ok() with StatusWithSize().

Change-Id: If7192282446bf6d7f90990bb0b4f1b1b89a9228a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/29003
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Reviewed-by: Keir Mierle <keir@google.com>
diff --git a/pw_blob_store/blob_store_chunk_write_test.cc b/pw_blob_store/blob_store_chunk_write_test.cc
index 49e0016..3dabaa8 100644
--- a/pw_blob_store/blob_store_chunk_write_test.cc
+++ b/pw_blob_store/blob_store_chunk_write_test.cc
@@ -60,11 +60,11 @@
 
     BlobStoreBuffer<kBufferSize> blob(
         name, partition_, &checksum, kvs::TestKvs(), kBufferSize);
-    EXPECT_EQ(Status::Ok(), blob.Init());
+    EXPECT_EQ(OkStatus(), blob.Init());
 
     BlobStore::BlobWriter writer(blob);
-    EXPECT_EQ(Status::Ok(), writer.Open());
-    EXPECT_EQ(Status::Ok(), writer.Erase());
+    EXPECT_EQ(OkStatus(), writer.Open());
+    EXPECT_EQ(OkStatus(), writer.Erase());
 
     ByteSpan source = source_buffer_;
     while (source.size_bytes() > 0) {
@@ -74,20 +74,20 @@
                    static_cast<unsigned>(write_size),
                    static_cast<unsigned>(source.size_bytes()));
 
-      ASSERT_EQ(Status::Ok(), writer.Write(source.first(write_size)));
+      ASSERT_EQ(OkStatus(), writer.Write(source.first(write_size)));
 
       source = source.subspan(write_size);
     }
 
-    EXPECT_EQ(Status::Ok(), writer.Close());
+    EXPECT_EQ(OkStatus(), writer.Close());
 
     // Use reader to check for valid data.
     BlobStore::BlobReader reader(blob);
-    ASSERT_EQ(Status::Ok(), reader.Open());
+    ASSERT_EQ(OkStatus(), reader.Open());
     Result<ConstByteSpan> result = reader.GetMemoryMappedBlob();
     ASSERT_TRUE(result.ok());
     VerifyFlash(result.value());
-    EXPECT_EQ(Status::Ok(), reader.Close());
+    EXPECT_EQ(OkStatus(), reader.Close());
   }
 
   void VerifyFlash(ConstByteSpan verify_bytes) {