binding: Reduces the binary size of binding's generated code.

third_party/WebKit/Source/bindings/scripts/v8_interface.py

Index: third_party/WebKit/Source/bindings/scripts/v8_interface.py
diff --git a/third_party/WebKit/Source/bindings/scripts/v8_interface.py b/third_party/WebKit/Source/bindings/scripts/v8_interface.py
index eb9a20ef4d88e65e9e6e6737bc644586f45ceef8..aa6723d214d340475d7859480e1280df5e147fd4 100644
--- a/third_party/WebKit/Source/bindings/scripts/v8_interface.py
+++ b/third_party/WebKit/Source/bindings/scripts/v8_interface.py
@@ -563,15 +563,10 @@ def interface_context(interface):
     })
 
     # Conditionally enabled members
-    has_conditional_attributes_on_instance = any(
-        (attribute['exposed_test'] or attribute['secure_context_test']) and attribute['on_instance']
-        for attribute in attributes)
     has_conditional_attributes_on_prototype = any(
         (attribute['exposed_test'] or attribute['secure_context_test']) and attribute['on_prototype']
         for attribute in attributes)
     context.update({
-        'has_conditional_attributes_on_instance':
-            has_conditional_attributes_on_instance,
         'has_conditional_attributes_on_prototype':
             has_conditional_attributes_on_prototype,
     })