second stage

third_party/WebKit/Source/core/plugins/BUILD.gn

Index: third_party/WebKit/Source/core/plugins/BUILD.gn
diff --git a/third_party/WebKit/Source/core/plugins/BUILD.gn b/third_party/WebKit/Source/core/plugins/BUILD.gn
index bbd784caf3f61e5df282c621b384b82cd08ac878..08b09f9bbad2e772924180818b66526912c03005 100644
--- a/third_party/WebKit/Source/core/plugins/BUILD.gn
+++ b/third_party/WebKit/Source/core/plugins/BUILD.gn
@@ -4,8 +4,13 @@
 
 # This currently is here just to hold the header file. If this starts compiling
 # source, this target should be changed to a blink_core_sources type.
-source_set("plugins") {
+
+import("//third_party/WebKit/Source/core/core.gni")
+
+blink_core_sources("plugins") {
   sources = [
+    "PluginClient.cpp",
+    "PluginClient.h",
     "PluginView.h",
   ]
 }