Revert of Remove enable_topchrome_md build flag

chrome/BUILD.gn

Index: chrome/BUILD.gn
diff --git a/chrome/BUILD.gn b/chrome/BUILD.gn
index d3e035215994256a2451d285b9577ecf1d8ba987..ea2dee46048afa507f24f1814dd96405a150c940 100644
--- a/chrome/BUILD.gn
+++ b/chrome/BUILD.gn
@@ -630,9 +630,7 @@
       sources += [ "$root_out_dir/chrome_200_percent.pak" ]
     }
 
-    # TODO(estade): remove material design specific resources.
-    # See crbug.com/613593
-    if (is_mac) {
+    if (enable_topchrome_md) {
       sources += [ "$root_out_dir/chrome_material_100_percent.pak" ]
 
       if (enable_hidpi) {
@@ -1080,7 +1078,7 @@
     public_deps += [ ":repack_chrome_200_percent" ]
   }
 
-  if (is_mac) {
+  if (enable_topchrome_md) {
     public_deps += [ ":repack_chrome_material_100_percent" ]
 
     if (enable_hidpi) {
@@ -1336,6 +1334,7 @@
     # All sources should also have deps for completeness.
     sources = [
       "$root_gen_dir/chrome/theme_resources_material_${percent}_percent.pak",
+      "$root_gen_dir/components/components_resources_material_${percent}_percent.pak",
     ]
 
     deps = [
@@ -1360,7 +1359,7 @@
   }
 }
 
-if (is_mac) {
+if (enable_topchrome_md) {
   chrome_repack_material_percent("repack_chrome_material_100_percent") {
     percent = "100"
   }