[bindings] partial interfaces should not violate componentization

Source/web/BUILD.gn

Index: Source/web/BUILD.gn
diff --git a/Source/web/BUILD.gn b/Source/web/BUILD.gn
index 08d2ddfe1454288895459d47bed89e986b8b7de2..0c0aa568529a0309252ef45c1850596f14199492 100644
--- a/Source/web/BUILD.gn
+++ b/Source/web/BUILD.gn
@@ -69,6 +69,7 @@ component("web") {
     sources += platform_web_unittest_files
 
     sources += [ "WebTestingSupport.cpp" ]
+    include_dirs += [ "$root_gen_dir/blink" ]
   }
 
   if (is_android) {
@@ -86,6 +87,7 @@ source_set("test_support") {
       "//third_party/WebKit/Source/core:testing",
       "//third_party/WebKit/Source/modules:modules_testing",
       "//third_party/WebKit/Source/wtf",
+      "//v8",
     ]
 
     sources = [ "WebTestingSupport.cpp" ]
@@ -95,6 +97,10 @@ source_set("test_support") {
       "//build/config/compiler:no_chromium_code",
       "//third_party/WebKit/Source:config",
     ]
+
+    include_dirs = [
+      "$root_gen_dir/blink",
+    ]
   }
 }