Rename NXT -> Dawn in the comments

src/tests/DawnTest.h

@@ -17,7 +17,7 @@
 #include <gtest/gtest.h>
 #include <memory>
 
-// Getting data back from NXT is done in an async manners so all expectations are "deferred"
+// Getting data back from Dawn is done in an async manners so all expectations are "deferred"
 // until the end of the test. Also expectations use a copy to a MapRead buffer to get the data
 // so resources should have the TransferSrc allowed usage bit if you want to add expectations on
 // them.

src/tests/end2end/SamplerTests.cpp

@@ -149,7 +149,7 @@ protected:
         EXPECT_PIXEL_RGBA8_EQ(expectedU3, mRenderPass.color, 3, 0);
         EXPECT_PIXEL_RGBA8_EQ(expectedV2, mRenderPass.color, 0, 2);
         EXPECT_PIXEL_RGBA8_EQ(expectedV3, mRenderPass.color, 0, 3);
-        // TODO: add tests for W address mode, once NXT supports 3D textures
+        // TODO: add tests for W address mode, once Dawn supports 3D textures
     }
 
     utils::BasicRenderPass mRenderPass;

src/tests/unittests/validation/ValidationTest.cpp

@@ -34,7 +34,7 @@ ValidationTest::ValidationTest() {
 }
 
 ValidationTest::~ValidationTest() {
-    // We need to destroy NXT objects before setting the procs to null otherwise the nxt*Release
+    // We need to destroy Dawn objects before setting the procs to null otherwise the nxt*Release
     // will call a nullptr
     device = dawn::Device();
     dawnSetProcs(nullptr);