Minimal set of changes for blink core jumbo build.

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

Index: third_party/WebKit/Source/core/input/BUILD.gn
diff --git a/third_party/WebKit/Source/core/input/BUILD.gn b/third_party/WebKit/Source/core/input/BUILD.gn
index ec3bdcee20b04b9ff1adf80330eed9e7bc7f1a72..4ba2f0c2f068eee24c0c3e68baa74cfcf54ba9f5 100644
--- a/third_party/WebKit/Source/core/input/BUILD.gn
+++ b/third_party/WebKit/Source/core/input/BUILD.gn
@@ -30,6 +30,11 @@ blink_core_sources("input") {
     "TouchEventManager.h",
   ]
 
+  jumbo_excluded_sources = [
+    # Collides with BoundaryEventDispatcher.cpp (patch incoming)
+    "PointerEventManager.cpp",
+  ]
+
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",