1063974 - Graphic glich on tab strip when mouse hover on Wndows7 Basic and Classic visual style

Status: RESOLVED WORKSFORME

(Core Graveyard :: Plug-ins, defect)

Description

[Alice0775 White]

Attachment: screenshot

[Tracking Requested - why for this release]: regression Aurora34.0a2 and Nightly35.0a1

Steps To Reproduce:
0-1: Make sure Flash plugin installed 14.0.0.179
0-2: Make sure Windows 7 Classic visual style
1. Open Firefox with newly created profile
2. Open new tab and close the other tab
3. Open http://webhtb.sourceforge.net/video_demo.html
4. Wait to load the page
5. Move mouse pointer onto [+] toolbar button 

Actual Results:
Gray rectangle appears

Expected Results:
No graphical glitch appears

Comment 1

[Alice0775 White]

Regression window(m-i)
Good:
https://hg.mozilla.org/integration/mozilla-inbound/rev/8430feba6148
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0 ID:20140829114701
Bad:
https://hg.mozilla.org/integration/mozilla-inbound/rev/b3f0f2be0ab6
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0 ID:20140829115701
Pushlog:
http://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=8430feba6148&tochange=b3f0f2be0ab6

Regressed by:
b3f0f2be0ab6	Aaron Klotz — Bug 768802: Prevent plugins from setting the foreground window during NP_Initialize; r=bsmedberg

Comment 2

[Alice0775 White]

The glitch also happens Windows 7 Basic visual style.

Comment 3

[Alice0775 White]

This problem happens only when Flash Plug-in is loaded for the first time

Comment 4

[Alice0775 White]

Flash Player 15.0.0.152 fixed the problem.
I cannot reproduce the problem.