Rename NaCl/pepper gamepad interface from _dev to stable

Following API review, and revisions here:
https://chromiumcodereview.appspot.com/9405033/. This change is just the
mechanical renames and bump of version number to 1.0.

BUG=112879, 115119


Review URL: http://codereview.chromium.org/9566022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@125399 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/ppapi/ppapi_sources.gypi b/ppapi/ppapi_sources.gypi
index 3aa4056..f0724be 100644
--- a/ppapi/ppapi_sources.gypi
+++ b/ppapi/ppapi_sources.gypi
@@ -29,6 +29,7 @@
       'c/ppb_file_ref.h',
       'c/ppb_file_system.h',
       'c/ppb_fullscreen.h',
+      'c/ppb_gamepad.h',
       'c/ppb_graphics_2d.h',
       'c/ppb_graphics_3d.h',
       'c/ppb_image_data.h',
@@ -64,7 +65,6 @@
       'c/dev/ppb_find_dev.h',
       'c/dev/ppb_font_dev.h',
       'c/dev/ppb_fullscreen_dev.h',
-      'c/dev/ppb_gamepad_dev.h',
       'c/dev/ppb_ime_input_event_dev.h',
       'c/dev/ppb_memory_dev.h',
       'c/dev/ppb_message_loop_dev.h',