Don't send a DragLeave to the renderer if we didn't send a DragEnter.

Don't send a DragLeave to the renderer if we didn't send a DragEnter.

BUG=136834
TEST=dragging over an interstitial doesn't crash the renderer


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=147371

[dcheng, 2012-07-17 19:16:34]

Note that I haven't actually tested the fix yet... I'm OOO today but I'll try to
verify it actually works before I land.

[tony, 2012-07-17 19:20:02]

Looks reasonable. Please test before landing. LGTM.

[dcheng, 2012-07-18 18:10:53]

+sky for OWNERS approval.

I've tested and it does fix crashes when dragging over and out of interstitial
pages.

[sky, 2012-07-18 20:58:43]

LGTM

http://codereview.chromium.org/10783037/diff/1/content/browser/web_contents/w...
File content/browser/web_contents/web_drag_dest_mac.mm (right):

http://codereview.chromium.org/10783037/diff/1/content/browser/web_contents/w...
content/browser/web_contents/web_drag_dest_mac.mm:145: if ([self
onlyAllowsNavigation]) {
no {}

[commit-bot: I haz the power, 2012-07-18 23:51:58]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/dcheng@chromium.org/10783037/6002

[commit-bot: I haz the power, 2012-07-19 02:41:48]

Change committed as 147371