Move json schema compiler target into build/ to match gyp

build/json_schema_compile.gni

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Defines a static library corresponding to the output of schema compiler tools
 # over a set of extensions API schemas (IDL or JSON format.) The library target
 # has implicit hard dependencies on all schema files listed by the invoker and
 # is itself a hard dependency.
 #
 # Invocations of this template may use the following variables:
@@ skipping 31 matching lines @@
 #   A list of schema files which should not be compiled, but which should still
 #   be processed for API bundle generation.
 #
 # deps [optional]
 #   If any deps are specified they will be inherited by the static library
 #   target.
 #
 # The static library target also inherits the visibility and output_name
 # of its invoker.
 
-template("generated_extensions_api") {
+template("json_schema_compile") {
   assert(defined(invoker.sources),
          "\"sources\" must be defined for the $target_name template.")
   assert(defined(invoker.root_namespace),
          "\"root_namespace\" must be defined for the $target_name template.")
 
   schemas = defined(invoker.schemas) && invoker.schemas
   bundle = defined(invoker.bundle) && invoker.bundle
   bundle_registration = defined(invoker.bundle_registration) &&
       invoker.bundle_registration
 
@@ skipping 137 matching lines @@
     direct_dependent_configs = [ ":$generated_config_name" ]
 
     if (defined(invoker.visibility)) {
       visibility = invoker.visibility
     }
     if (defined(invoker.output_name)) {
       output_name = invoker.output_name
     }
   }
 }