Rename the nxt namespace to dawn

src/tests/NXTTest.h

@@ -66,7 +66,7 @@ namespace detail {
     class Expectation;
 }
 
-namespace nxt { namespace wire {
+namespace dawn { namespace wire {
     class CommandHandler;
     class TerribleCommandBuffer;
 }}  // namespace dawn::wire

src/tests/unittests/EnumClassBitmasksTests.cpp

@@ -16,7 +16,7 @@
 
 #include "dawn/EnumClassBitmasks.h"
 
-namespace nxt {
+namespace dawn {
 
     enum class Color : uint32_t {
         R = 1,
@@ -90,4 +90,4 @@ namespace nxt {
         ASSERT_FALSE(HasZeroOrOneBits(static_cast<Color>(Color::B | Color::A)));
     }
 
-}
+}  // namespace dawn

src/tests/unittests/WireTests.cpp

@@ -20,7 +20,7 @@
 #include "wire/Wire.h"
 
 using namespace testing;
-using namespace nxt::wire;
+using namespace dawn::wire;
 
 // Definition of a "Lambda predicate matcher" for GMock to allow checking deep structures
 // are passed correctly by the wire.