Change defaults for build args to accommodate Flutter and Fuchsia.

sdk/BUILD.gn

Index: sdk/BUILD.gn
diff --git a/sdk/BUILD.gn b/sdk/BUILD.gn
index f0458053bb42a589eb986a7194cb2190cf9943b4..ce76969e2dc16a5ed68de009b535f774b903d107 100644
--- a/sdk/BUILD.gn
+++ b/sdk/BUILD.gn
@@ -14,6 +14,7 @@
 # fail.
 
 import("../build/copy_tree.gni")
+import("../build/flutter_args.gni")
 
 declare_args() {
   # Build a SDK with less stuff. It excludes dart2js, ddc, and web libraries.
@@ -22,6 +23,7 @@ declare_args() {
 
 if (is_fuchsia ||
     is_fuchsia_host ||
+    is_flutter ||
     current_cpu == "arm64" ||
     current_cpu == "arm") {
   dart_platform_sdk = true
@@ -226,7 +228,7 @@ copy("copy_dart") {
     sources = [
       "$dart_out/dart.exe",
     ]
-  } else if (is_fuchsia || is_fuchsia_host) {
+  } else if (is_fuchsia || is_fuchsia_host || is_flutter) {

[zra, 2017/08/07 22:11:13]

As with the platform_sdk flag, we should change this case to be the default with
a GN flag, like dart_stripped_binary_path = "". Then //tools/gn.py can override
it to "exe.stripped/".

     sources = [
       "$dart_out/dart",
     ]