Fixes bug where renderer could show up parented to desktop. This would occur if RenderWidgetHostView::Show is invoked and the RWHV was never shown. This can hapen with instant when we delay showing the RWHV.
Fixes bug where renderer could show up parented to desktop. This would
occur if RenderWidgetHostView::Show is invoked and the RWHV was never
shown. This can hapen with instant when we delay showing the RWHV.

BUG=78360
TEST=see bug
R=jcivelli@chromium.org

Review URL: http://codereview.chromium.org/6800005

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@80684 0039d316-1c4b-4281-b951-d872f2087c98

gavinp/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,gavinp/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,ropik/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,ropik/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,adobe/chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,gavinp/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,adobe/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,ropik/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,adobe/chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,ropik/chromium,yitian134/chromium,ropik/chromium,adobe/chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,adobe/chromium