Fix gn problem impacting fuchsia builds.

build/archives/BUILD.gn

@@ -84,6 +84,8 @@ if (build_engine_artifacts && flutter_prebuilt_dart_sdk) {
 }
 
 # Archives Flutter Web SDK
-group("flutter_web_sdk") {
-  deps = [ "//flutter/web_sdk:flutter_web_sdk_archive" ]
+if (!is_fuchsia) {
+  group("flutter_web_sdk") {
+    deps = [ "//flutter/web_sdk:flutter_web_sdk_archive" ]
+  }
 }

web_sdk/BUILD.gn

@@ -566,57 +566,60 @@ _kernel_worker("flutter_dartdevc_kernel_sdk_outline_sound") {
 }
 
 # Archives Flutter Web SDK
-zip_bundle("flutter_web_sdk_archive") {
-  output = "flutter-web-sdk-${host_os_cpu_name}.zip"
-  deps = [
-    ":flutter_dartdevc_canvaskit_html_kernel_sdk",
-    ":flutter_dartdevc_canvaskit_html_kernel_sdk_sound",
-    ":flutter_dartdevc_canvaskit_kernel_sdk",
-    ":flutter_dartdevc_canvaskit_kernel_sdk_sound",
-    ":flutter_dartdevc_kernel_sdk",
-    ":flutter_dartdevc_kernel_sdk_outline",
-    ":flutter_dartdevc_kernel_sdk_outline_sound",
-    ":flutter_dartdevc_kernel_sdk_sound",
-    ":web_engine_sources",
-    ":web_ui_library",
-    ":web_ui_sources",
-  ]
-  sources = get_target_outputs(":flutter_dartdevc_canvaskit_html_kernel_sdk")
-  sources +=
-      get_target_outputs(":flutter_dartdevc_canvaskit_html_kernel_sdk_sound")
-  sources += get_target_outputs(":flutter_dartdevc_canvaskit_kernel_sdk")
-  sources += get_target_outputs(":flutter_dartdevc_canvaskit_kernel_sdk_sound")
-  sources += get_target_outputs(":flutter_dartdevc_kernel_sdk")
-  sources += get_target_outputs(":flutter_dartdevc_kernel_sdk_outline")
-  sources += get_target_outputs(":flutter_dartdevc_kernel_sdk_outline_sound")
-  sources += get_target_outputs(":flutter_dartdevc_kernel_sdk_sound")
-  sources += get_target_outputs(":web_ui_library")
-  tmp_files = []
-  foreach(source, sources) {
-    tmp_files += [
-      {
-        source = source
-        destination = rebase_path(source, "$root_build_dir")
-      },
-    ]
-  }
-  foreach(source, web_ui_sources) {
-    rebased_path = rebase_path(source, "//flutter/lib/web_ui/lib")
-    tmp_files += [
-      {
-        source = source
-        destination = "flutter_web_sdk/lib/ui/$rebased_path"
-      },
-    ]
-  }
-  foreach(source, web_engine_sources) {
-    rebased_path = rebase_path(source, "//flutter/lib/web_ui/lib/src")
-    tmp_files += [
-      {
-        source = source
-        destination = "flutter_web_sdk/lib/_engine/$rebased_path"
-      },
+if (!is_fuchsia) {
+  zip_bundle("flutter_web_sdk_archive") {
+    output = "flutter-web-sdk-${host_os_cpu_name}.zip"
+    deps = [
+      ":flutter_dartdevc_canvaskit_html_kernel_sdk",
+      ":flutter_dartdevc_canvaskit_html_kernel_sdk_sound",
+      ":flutter_dartdevc_canvaskit_kernel_sdk",
+      ":flutter_dartdevc_canvaskit_kernel_sdk_sound",
+      ":flutter_dartdevc_kernel_sdk",
+      ":flutter_dartdevc_kernel_sdk_outline",
+      ":flutter_dartdevc_kernel_sdk_outline_sound",
+      ":flutter_dartdevc_kernel_sdk_sound",
+      ":web_engine_sources",
+      ":web_ui_library",
+      ":web_ui_sources",
     ]
+    sources = get_target_outputs(":flutter_dartdevc_canvaskit_html_kernel_sdk")
+    sources +=
+        get_target_outputs(":flutter_dartdevc_canvaskit_html_kernel_sdk_sound")
+    sources += get_target_outputs(":flutter_dartdevc_canvaskit_kernel_sdk")
+    sources +=
+        get_target_outputs(":flutter_dartdevc_canvaskit_kernel_sdk_sound")
+    sources += get_target_outputs(":flutter_dartdevc_kernel_sdk")
+    sources += get_target_outputs(":flutter_dartdevc_kernel_sdk_outline")
+    sources += get_target_outputs(":flutter_dartdevc_kernel_sdk_outline_sound")
+    sources += get_target_outputs(":flutter_dartdevc_kernel_sdk_sound")
+    sources += get_target_outputs(":web_ui_library")
+    tmp_files = []
+    foreach(source, sources) {
+      tmp_files += [
+        {
+          source = source
+          destination = rebase_path(source, "$root_build_dir")
+        },
+      ]
+    }
+    foreach(source, web_ui_sources) {
+      rebased_path = rebase_path(source, "//flutter/lib/web_ui/lib")
+      tmp_files += [
+        {
+          source = source
+          destination = "flutter_web_sdk/lib/ui/$rebased_path"
+        },
+      ]
+    }
+    foreach(source, web_engine_sources) {
+      rebased_path = rebase_path(source, "//flutter/lib/web_ui/lib/src")
+      tmp_files += [
+        {
+          source = source
+          destination = "flutter_web_sdk/lib/_engine/$rebased_path"
+        },
+      ]
+    }
+    files = tmp_files
   }
-  files = tmp_files
 }