[Extensions Bindings] Add an ExceptionHandler class

extensions/renderer/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 import("//extensions/features/features.gni")
 
 assert(enable_extensions)
 
 source_set("renderer") {
@@ skipping 41 matching lines @@
     "bindings/api_type_reference_map.cc",
     "bindings/api_type_reference_map.h",
     "bindings/argument_spec.cc",
     "bindings/argument_spec.h",
     "bindings/binding_access_checker.cc",
     "bindings/binding_access_checker.h",
     "bindings/declarative_event.cc",
     "bindings/declarative_event.h",
     "bindings/event_emitter.cc",
     "bindings/event_emitter.h",
+    "bindings/exception_handler.cc",
+    "bindings/exception_handler.h",
     "blob_native_handler.cc",
     "blob_native_handler.h",
     "chrome_setting.cc",
     "chrome_setting.h",
     "console.cc",
     "console.h",
     "content_setting.cc",
     "content_setting.h",
     "content_watcher.cc",
     "content_watcher.h",
@@ skipping 251 matching lines @@
     "bindings/api_invocation_errors_unittest.cc",
     "bindings/api_last_error_unittest.cc",
     "bindings/api_request_handler_unittest.cc",
     "bindings/api_signature_unittest.cc",
     "bindings/argument_spec_builder.cc",
     "bindings/argument_spec_builder.h",
     "bindings/argument_spec_unittest.cc",
     "bindings/binding_access_checker_unittest.cc",
     "bindings/declarative_event_unittest.cc",
     "bindings/event_emitter_unittest.cc",
+    "bindings/exception_handler_unittest.cc",
     "event_unittest.cc",
     "gc_callback_unittest.cc",
     "json_schema_unittest.cc",
     "messaging_utils_unittest.cc",
     "module_system_test.cc",
     "module_system_test.h",
     "module_system_unittest.cc",
     "mojo/keep_alive_client_unittest.cc",
     "native_extension_bindings_system_unittest.cc",
     "safe_builtins_unittest.cc",
@@ skipping 29 matching lines @@
     "//ui/base",
   ]
 
   if (enable_wifi_display && proprietary_codecs) {
     sources += [
       "api/display_source/wifi_display/wifi_display_elementary_stream_descriptor_unittest.cc",
       "api/display_source/wifi_display/wifi_display_media_packetizer_unittest.cc",
     ]
   }
 }