bindings: Stop using strings directly when throwing exceptions

third_party/WebKit/Source/bindings/scripts/v8_types.py

Index: third_party/WebKit/Source/bindings/scripts/v8_types.py
diff --git a/third_party/WebKit/Source/bindings/scripts/v8_types.py b/third_party/WebKit/Source/bindings/scripts/v8_types.py
index dcabd8a5e038f3301eaedd3b72c16e0814113eec..6e1cb2c556771bb86a1f4ad79bf19d1f4524aedd 100644
--- a/third_party/WebKit/Source/bindings/scripts/v8_types.py
+++ b/third_party/WebKit/Source/bindings/scripts/v8_types.py
@@ -580,7 +580,7 @@ def v8_value_to_cpp_value(idl_type, extended_attributes, v8_value, variable_name
 
     if 'FlexibleArrayBufferView' in extended_attributes:
         if base_idl_type not in TYPED_ARRAY_TYPES.union(set(['ArrayBufferView'])):
-            raise "Unrecognized base type for extended attribute 'FlexibleArrayBufferView': %s" % (idl_type.base_type)
+            raise ValueError("Unrecognized base type for extended attribute 'FlexibleArrayBufferView': %s" % (idl_type.base_type))
         base_idl_type = 'FlexibleArrayBufferView'
 
     if idl_type.is_integer_type:
@@ -689,7 +689,7 @@ def v8_value_to_local_cpp_value(idl_type, extended_attributes, v8_value, variabl
         }
     elif 'FlexibleArrayBufferView' in extended_attributes:
         if idl_type.base_type not in TYPED_ARRAY_TYPES.union(set(['ArrayBufferView'])):
-            raise "Unrecognized base type for extended attribute 'FlexibleArrayBufferView': %s" % (idl_type.base_type)
+            raise ValueError("Unrecognized base type for extended attribute 'FlexibleArrayBufferView': %s" % (idl_type.base_type))
         set_expression = cpp_value
     else:
         assign_expression = cpp_value