I do not have Flash installed and use Chrome if a site requires Flash, which is less and less common.
The advantage of not having Flash installed vs. some of the extensions mentioned with Flash is many sites will detect you do not have Flash installed and serve up an HTML5 version of the site. If Flash is installed with the blocking extensions, the site tries to serve Flash and you then need to click to allow Flash, whereas without Flash you may have been able to use the site in HTML5.
Not having Flash installed also prevents Flash ads etc. in RSS readers and HTML emails.
For the occasions I do run across something I really need to use Flash with, I execute the following script with
Alfred and the frontmost Safari page will launch in Chrome.
Works for me.
Code:
tell application "Safari" to set currentURL to URL of current tab of window 1
tell application "Google Chrome"
activate
if not (exists window 1) then make new window
tell window 1
if URL of active tab is "chrome://newtab/" then
set URL of active tab to currentURL
else
make new tab with properties {URL:currentURL}
end if
end tell
end tell