Part 2 of 4: Move blink image resources to blink.

public/BUILD.gn

Index: public/BUILD.gn
diff --git a/public/BUILD.gn b/public/BUILD.gn
index f191834cb0707e5edc82b842819d0dc1c7099bcf..25a6c8d6a876e6eea9ff0919b0e2807e1a8c1b51 100644
--- a/public/BUILD.gn
+++ b/public/BUILD.gn
@@ -137,6 +137,11 @@ grit("resources") {
   outputs = [
     "grit/blink_resources.h",
     "blink_resources.rc",
+    "blink_resources_100_percent.pak",
+    "blink_resources_200_percent.pak",
+
+    # TODO(erg): Remove blink_resources.pak. This will be removed in the fourth
+    # and final part of this patch.
     "blink_resources.pak",
   ]
 }