wgsl: Do not require a semicolon after a struct

Don't generate them either, which generated a lot of test churn.

Fixed: tint:1380
Change-Id: I0a7cfdd2ef0ffe8e7fda111fbc57997b36b949e0
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/77165
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>

test/statements/assign/indexed_assign_to_array_in_struct/in_for_loop_body.wgsl.expected.wgsl

@@ -1,14 +1,14 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct OuterS {
   a1 : array<InnerS, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/in_for_loop_continuing.wgsl.expected.wgsl

@@ -1,14 +1,14 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct OuterS {
   a1 : array<InnerS, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/in_for_loop_init.wgsl.expected.wgsl

@@ -1,14 +1,14 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct OuterS {
   a1 : array<InnerS, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/indexing_with_side_effect_func.wgsl.expected.wgsl

@@ -1,19 +1,19 @@
 struct Uniforms {
   i : u32;
   j : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct S1 {
   a2 : array<InnerS, 8>;
-};
+}
 
 struct OuterS {
   a1 : array<S1, 8>;
-};
+}
 
 var<private> nextIndex : u32;
 

test/statements/assign/indexed_assign_to_array_in_struct/struct_array.wgsl.expected.wgsl

@@ -1,14 +1,14 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct OuterS {
   a1 : array<InnerS, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/struct_array_array.wgsl.expected.wgsl

@@ -1,15 +1,15 @@
 struct Uniforms {
   i : u32;
   j : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct OuterS {
   a1 : array<array<InnerS, 8>, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/struct_array_struct.wgsl.expected.wgsl

@@ -1,18 +1,18 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct S1 {
   s2 : InnerS;
-};
+}
 
 struct OuterS {
   a1 : array<S1, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/struct_array_struct_array.wgsl.expected.wgsl

@@ -1,19 +1,19 @@
 struct Uniforms {
   i : u32;
   j : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct S1 {
   a2 : array<InnerS, 8>;
-};
+}
 
 struct OuterS {
   a1 : array<S1, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/struct_dynamic_array.wgsl.expected.wgsl

@@ -1,14 +1,14 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct OuterS {
   a1 : array<InnerS>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/struct_dynamic_array_struct_array.wgsl.expected.wgsl

@@ -1,19 +1,19 @@
 struct Uniforms {
   i : u32;
   j : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct S1 {
   a2 : array<InnerS, 8>;
-};
+}
 
 struct OuterS {
   a1 : array<S1>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/struct_matrix.wgsl.expected.wgsl

@@ -1,10 +1,10 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct OuterS {
   m1 : mat2x4<f32>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/struct_multiple_arrays.wgsl.expected.wgsl

@@ -1,15 +1,15 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct OuterS {
   a1 : array<InnerS, 8>;
   a2 : array<InnerS, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/struct_struct_array.wgsl.expected.wgsl

@@ -1,18 +1,18 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct S1 {
   a : array<InnerS, 8>;
-};
+}
 
 struct OuterS {
   s2 : S1;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/struct_vector.wgsl.expected.wgsl

@@ -1,10 +1,10 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct OuterS {
   v1 : vec3<f32>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/vector_assign.wgsl.expected.wgsl

@@ -1,10 +1,10 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct OuterS {
   a1 : array<u32, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/via_pointer.wgsl.expected.wgsl

@@ -1,14 +1,14 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct OuterS {
   a1 : array<InnerS, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;
 

test/statements/assign/indexed_assign_to_array_in_struct/via_pointer_arg.wgsl.expected.wgsl

@@ -1,14 +1,14 @@
 struct Uniforms {
   i : u32;
-};
+}
 
 struct InnerS {
   v : i32;
-};
+}
 
 struct OuterS {
   a1 : array<InnerS, 8>;
-};
+}
 
 [[group(1), binding(4)]] var<uniform> uniforms : Uniforms;