Fix a large number of missing dependencies in the blink gn build

third_party/WebKit/Source/core/core.gni

Index: third_party/WebKit/Source/core/core.gni
diff --git a/third_party/WebKit/Source/core/core.gni b/third_party/WebKit/Source/core/core.gni
index 5717e082dfb506a9913709e9acbcf0a8344c6d64..4928b604428cd7903598fe773ba3f94cc65a86c1 100644
--- a/third_party/WebKit/Source/core/core.gni
+++ b/third_party/WebKit/Source/core/core.gni
@@ -100,11 +100,19 @@ template("blink_core_sources") {
       deps += invoker.deps
     }
 
+    public_deps = [
+      "//third_party/WebKit/Source/core:all_generators",
+    ]
+    if (defined(invoker.public_deps)) {
+      public_deps += invoker.public_deps
+    }
+
     # Take everything else not handled above from the invoker.
     forward_variables_from(invoker,
                            "*",
                            [
                              "deps",
+                             "public_deps",
                              "split_count",
                            ])
   }