Make the GYP build aware of new and moved extensions files

chrome/chrome.gyp

Index: chrome/chrome.gyp
===================================================================
--- chrome/chrome.gyp	(revision 10620)
+++ chrome/chrome.gyp	(working copy)
@@ -468,6 +468,8 @@
         'browser/download/save_types.h',
         'browser/extensions/extension.cc',
         'browser/extensions/extension.h',
+        'browser/extensions/extension_error_reporter.cc',
+        'browser/extensions/extension_error_reporter.h',
         'browser/extensions/extension_view.cc',
         'browser/extensions/extension_view.h',
         'browser/extensions/extension_protocols.cc',
@@ -1224,6 +1226,8 @@
         # All .cc, .h, and .mm files under renderer except tests and mocks.
         'renderer/automation/dom_automation_controller.cc',
         'renderer/automation/dom_automation_controller.h',
+        'renderer/extensions/extension_bindings.cc',
+        'renderer/extensions/extension_bindings.h',
         'renderer/media/audio_renderer_impl.cc',
         'renderer/media/audio_renderer_impl.h',
         'renderer/media/data_source_impl.cc',
@@ -1248,8 +1252,6 @@
         'renderer/dev_tools_messages_internal.h',
         'renderer/dom_ui_bindings.cc',
         'renderer/dom_ui_bindings.h',
-        'renderer/extension_bindings.cc',
-        'renderer/extension_bindings.h',
         'renderer/external_host_bindings.cc',
         'renderer/external_host_bindings.h',
         'renderer/external_js_object.cc',