Bring npapi.h closer to the npapi-headers project version
Bring npapi.h closer to the npapi-headers project version

This makes a bunch of changes that shouldn't actually affect anything:
- Removes XP_MAC
- Removes old Carbon event constants
- Removes Metrowerks defines
- Adds new constants and structs from recent spec updates
- Adds OS/2 defines
- Adds Maemo defines

Also makes more whitespace adjustments to track central repository.

BUG=42645
TEST=none; no behavioral changes

Review URL: http://codereview.chromium.org/1995007

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@46596 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser