Rename NXT -> DAWN in header guards

generator/templates/api.h

diff --git a/generator/templates/api.h b/generator/templates/api.h
index c497a29..09890f7 100644
--- a/generator/templates/api.h
+++ b/generator/templates/api.h
@@ -12,8 +12,8 @@
 //* See the License for the specific language governing permissions and
 //* limitations under the License.
 
-#ifndef NXT_H
-#define NXT_H
+#ifndef DAWN_H
+#define DAWN_H
 
 #include <stdint.h>
 #include <stddef.h>
@@ -100,4 +100,4 @@
 } // extern "C"
 #endif
 
-#endif // NXT_H
+#endif // DAWN_H

generator/templates/apicpp.h

diff --git a/generator/templates/apicpp.h b/generator/templates/apicpp.h
index 2bf32d8..3c46343 100644
--- a/generator/templates/apicpp.h
+++ b/generator/templates/apicpp.h
@@ -12,8 +12,8 @@
 //* See the License for the specific language governing permissions and
 //* limitations under the License.
 
-#ifndef NXTCPP_H
-#define NXTCPP_H
+#ifndef DAWNCPP_H
+#define DAWNCPP_H
 
 #include "dawn.h"
 
@@ -160,4 +160,4 @@
 
 } // namespace dawn
 
-#endif // NXTCPP_H
+#endif // DAWNCPP_H

generator/templates/apicpp_traits.h

diff --git a/generator/templates/apicpp_traits.h b/generator/templates/apicpp_traits.h
index 5ebbb30..059f50f 100644
--- a/generator/templates/apicpp_traits.h
+++ b/generator/templates/apicpp_traits.h
@@ -12,8 +12,8 @@
 //* See the License for the specific language governing permissions and
 //* limitations under the License.
 
-#ifndef NXTCPP_TRAITS_H
-#define NXTCPP_TRAITS_H
+#ifndef DAWNCPP_TRAITS_H
+#define DAWNCPP_TRAITS_H
 
 #include "dawncpp.h"
 
@@ -40,4 +40,4 @@
 
 }
 
-#endif // NXTCPP_TRAITS_H
+#endif // DAWNCPP_TRAITS_H

generator/templates/mock_api.h

diff --git a/generator/templates/mock_api.h b/generator/templates/mock_api.h
index ba884fa..b3e826d 100644
--- a/generator/templates/mock_api.h
+++ b/generator/templates/mock_api.h
@@ -12,8 +12,8 @@
 //* See the License for the specific language governing permissions and
 //* limitations under the License.
 
-#ifndef MOCK_NXT_H
-#define MOCK_NXT_H
+#ifndef MOCK_DAWN_H
+#define MOCK_DAWN_H
 
 #include <gmock/gmock.h>
 #include <dawn/dawn.h>
@@ -112,4 +112,4 @@
         MOCK_METHOD5(OnBufferMapWriteAsyncCallback, void(dawnBuffer buffer, uint32_t start, uint32_t size, dawnBufferMapWriteCallback callback, dawnCallbackUserdata userdata));
 };
 
-#endif // MOCK_NXT_H
+#endif // MOCK_DAWN_H

src/include/dawn/EnumClassBitmasks.h

diff --git a/src/include/dawn/EnumClassBitmasks.h b/src/include/dawn/EnumClassBitmasks.h
index 6228e76..8efd6ed 100644
--- a/src/include/dawn/EnumClassBitmasks.h
+++ b/src/include/dawn/EnumClassBitmasks.h
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef NXT_ENUM_CLASS_BITMASKS_H_
-#define NXT_ENUM_CLASS_BITMASKS_H_
+#ifndef DAWN_ENUM_CLASS_BITMASKS_H_
+#define DAWN_ENUM_CLASS_BITMASKS_H_
 
 #include <type_traits>
 
@@ -159,4 +159,4 @@
     }
 }  // namespace dawn
 
-#endif  // NXT_ENUM_CLASS_BITMASKS_H_
+#endif  // DAWN_ENUM_CLASS_BITMASKS_H_