Fix the GN mini_installer_syzygy target.

chrome/installer/mini_installer/BUILD.gn

Index: chrome/installer/mini_installer/BUILD.gn
diff --git a/chrome/installer/mini_installer/BUILD.gn b/chrome/installer/mini_installer/BUILD.gn
index a5f9c71081dfc568542f1b0b62d6d8c55f048cf5..833edcf95c573853fdfc6627220706352b2ef75a 100644
--- a/chrome/installer/mini_installer/BUILD.gn
+++ b/chrome/installer/mini_installer/BUILD.gn
@@ -99,10 +99,18 @@ group("setup_runtime_deps") {
 #     The output directory out_dir where the mini_installer image should be
 #     written.
 #
+#   chrome_dll_file (required)
+#     The path to the version of chrome.dll that should be included in the
+#     installer archive.
+#
+#   chrome_dll_target (required)
+#     The target that generated chrome_dll_file.
+#
 #   deps (required)
 #     Normal meaning.
 template("generate_mini_installer") {
-  custom_deps = invoker.deps
+  chrome_dll_file = invoker.chrome_dll_file
+  chrome_dll_target = invoker.chrome_dll_target
   output_dir = invoker.out_dir
 
   packed_files_rc_file = "$target_gen_dir/$target_name/packed_files.rc"
@@ -115,7 +123,7 @@ template("generate_mini_installer") {
     release_file = "chrome.release"
 
     inputs = [
-      "$output_dir/chrome.dll",
+      "$chrome_dll_file",
       "$root_out_dir/chrome.exe",
       "$root_out_dir/locales/en-US.pak",
       "$root_out_dir/setup.exe",
@@ -155,14 +163,15 @@ template("generate_mini_installer") {
       #'--verbose',
     ]
 
-    deps = custom_deps + [
-             ":chrome_runtime_deps",
-             ":setup_runtime_deps",
-             "//chrome",
-             "//chrome/browser/extensions/default_extensions",
-             "//chrome/installer/setup",
-             "//third_party/icu:icudata",
-           ]
+    deps = [
+      ":chrome_runtime_deps",
+      ":setup_runtime_deps",
+      "$chrome_dll_target",

[brettw, 2016/06/28 20:32:22]

Just write
  chrome_dll_target,
(what you wrote does string interpolation of a string into another string that
has nothing else in it).

+      "//chrome",
+      "//chrome/browser/extensions/default_extensions",
+      "//chrome/installer/setup",
+      "//third_party/icu:icudata",
+    ]
 
     if (enable_hidpi) {
       args += [ "--enable_hidpi=1" ]
@@ -249,17 +258,15 @@ template("generate_mini_installer") {
 
 generate_mini_installer("mini_installer") {
   out_dir = root_out_dir
-  deps = [
-    "//chrome:main_dll",
-  ]
+  chrome_dll_file = "$root_out_dir/chrome.dll"
+  chrome_dll_target = "//chrome:main_dll"
 }
 
 if (syzygy_optimize) {
   generate_mini_installer("mini_installer_syzygy") {
     out_dir = "$root_out_dir/syzygy/"
-    deps = [
-      "//chrome/tools/build/win/syzygy:chrome_dll_syzygy",
-    ]
+    chrome_dll_file = "$root_out_dir/syzygy/chrome.dll"
+    chrome_dll_target = "//chrome/tools/build/win/syzygy:chrome_dll_syzygy"
   }
 }