Bug 418615 - Neuter the code which tries to reframe existing plugin instances when navigator.plugins.refresh(true) is called. Instead, only scan for new plugins, unload unused plugins. The DOM code will continue to refresh the current page which calls navigator.plugins.refresh(true). r=jschoenick sr=bz
Bug 854082 - Attribute bug 621618 assertions to the proper test. r=gfritzsche
Bug 854082 - Test. r=bsmedberg
Bug 854082 - Restore SetFrame(null) call to avoid instance owners pointing to dead frames. r=bsmedberg
Bug 854082 - Cleanup plugin frame ownership, prevent losing our frame due to re-entrance. r=bsmedberg
Bug 863792 - Handle re-entry during plugin instantiation. r=josh
Bug 863792 - Test. r=josh
Bug 857324: Make column set reflow continue without balancing rather than restarting if computed height is exceeded. [r=mats]