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_kvs/flash_partition_test.cc b/pw_kvs/flash_partition_test.cc
index b9a2299..193f3d2 100644
--- a/pw_kvs/flash_partition_test.cc
+++ b/pw_kvs/flash_partition_test.cc
@@ -37,7 +37,7 @@
 
   const size_t alignment = partition.alignment_bytes();
 
-  ASSERT_EQ(Status::Ok(), partition.Erase(0, partition.sector_count()));
+  ASSERT_EQ(OkStatus(), partition.Erase(0, partition.sector_count()));
 
   const size_t chunks_per_sector = partition.sector_size_bytes() / alignment;
 
@@ -53,7 +53,7 @@
          chunk_index++) {
       StatusWithSize status =
           partition.Write(address, as_bytes(std::span(test_data, alignment)));
-      ASSERT_EQ(Status::Ok(), status.status());
+      ASSERT_EQ(OkStatus(), status.status());
       ASSERT_EQ(alignment, status.size());
       address += alignment;
     }
@@ -71,7 +71,7 @@
       memset(test_data, 0, sizeof(test_data));
       StatusWithSize status = partition.Read(address, alignment, test_data);
 
-      EXPECT_EQ(Status::Ok(), status.status());
+      EXPECT_EQ(OkStatus(), status.status());
       EXPECT_EQ(alignment, status.size());
       if (!status.ok() || (alignment != status.size())) {
         error_count++;
@@ -140,8 +140,7 @@
       std::min(sizeof(test_data), test_partition.sector_size_bytes());
   auto data_span = std::span(test_data, block_size);
 
-  ASSERT_EQ(Status::Ok(),
-            test_partition.Erase(0, test_partition.sector_count()));
+  ASSERT_EQ(OkStatus(), test_partition.Erase(0, test_partition.sector_count()));
 
   // Write to the first page of each sector.
   for (size_t sector_index = 0; sector_index < test_partition.sector_count();
@@ -150,20 +149,20 @@
         sector_index * test_partition.sector_size_bytes();
 
     StatusWithSize status = test_partition.Write(address, as_bytes(data_span));
-    ASSERT_EQ(Status::Ok(), status.status());
+    ASSERT_EQ(OkStatus(), status.status());
     ASSERT_EQ(block_size, status.size());
   }
 
   // Preset the flag to make sure the check actually sets it.
   bool is_erased = true;
-  ASSERT_EQ(Status::Ok(), test_partition.IsErased(&is_erased));
+  ASSERT_EQ(OkStatus(), test_partition.IsErased(&is_erased));
   ASSERT_EQ(false, is_erased);
 
-  ASSERT_EQ(Status::Ok(), test_partition.Erase());
+  ASSERT_EQ(OkStatus(), test_partition.Erase());
 
   // Preset the flag to make sure the check actually sets it.
   is_erased = false;
-  ASSERT_EQ(Status::Ok(), test_partition.IsErased(&is_erased));
+  ASSERT_EQ(OkStatus(), test_partition.IsErased(&is_erased));
   ASSERT_EQ(true, is_erased);
 
   // Read the first page of each sector and make sure it has been erased.
@@ -174,7 +173,7 @@
 
     StatusWithSize status =
         test_partition.Read(address, data_span.size_bytes(), data_span.data());
-    EXPECT_EQ(Status::Ok(), status.status());
+    EXPECT_EQ(OkStatus(), status.status());
     EXPECT_EQ(data_span.size_bytes(), status.size());
 
     EXPECT_EQ(true, test_partition.AppearsErased(as_bytes(data_span)));
@@ -243,10 +242,10 @@
   // Make sure the partition is big enough to do this test.
   ASSERT_GE(test_partition.size_bytes(), 3 * kMaxFlashAlignment);
 
-  ASSERT_EQ(Status::Ok(), test_partition.Erase());
+  ASSERT_EQ(OkStatus(), test_partition.Erase());
 
   bool is_erased = true;
-  ASSERT_EQ(Status::Ok(), test_partition.IsErased(&is_erased));
+  ASSERT_EQ(OkStatus(), test_partition.IsErased(&is_erased));
   ASSERT_EQ(true, is_erased);
 
   static const uint8_t fill_byte = 0x55;
@@ -256,26 +255,26 @@
 
   // Write the chunk with fill byte.
   StatusWithSize status = test_partition.Write(alignment, as_bytes(data_span));
-  ASSERT_EQ(Status::Ok(), status.status());
+  ASSERT_EQ(OkStatus(), status.status());
   ASSERT_EQ(data_span.size_bytes(), status.size());
 
-  EXPECT_EQ(Status::Ok(), test_partition.IsErased(&is_erased));
+  EXPECT_EQ(OkStatus(), test_partition.IsErased(&is_erased));
   EXPECT_EQ(false, is_erased);
 
   // Check the chunk that was written.
-  EXPECT_EQ(Status::Ok(),
+  EXPECT_EQ(OkStatus(),
             test_partition.IsRegionErased(
                 alignment, data_span.size_bytes(), &is_erased));
   EXPECT_EQ(false, is_erased);
 
   // Check a region that starts erased but later has been written.
-  EXPECT_EQ(Status::Ok(),
+  EXPECT_EQ(OkStatus(),
             test_partition.IsRegionErased(0, 2 * alignment, &is_erased));
   EXPECT_EQ(false, is_erased);
 
   // Check erased for a region smaller than kMaxFlashAlignment. This has been a
   // bug in the past.
-  EXPECT_EQ(Status::Ok(),
+  EXPECT_EQ(OkStatus(),
             test_partition.IsRegionErased(0, alignment, &is_erased));
   EXPECT_EQ(true, is_erased);
 }