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Avoid re-registration of a RenderViewHost with NotificationRegistrar which can occur after a renderer crashes. 

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@980 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt 2013-01-11 23:20:13 +00:00
parent 7d3bac19a9
commit 60319f0cea
1 changed files with 13 additions and 4 deletions
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17
libcef/browser/browser_host_impl.cc
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@ -1647,14 +1647,23 @@ void CefBrowserHostImpl::RenderViewCreated(
devtools_delegate->GetDevToolsURL(render_view_host, false); devtools_delegate->GetDevToolsURL(render_view_host, false);
} }
registrar_->Add(this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE, // May be already registered if the renderer crashed previously.
content::Source<content::RenderViewHost>(render_view_host)); if (!registrar_->IsRegistered(
this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(render_view_host))) {
registrar_->Add(this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(render_view_host));
}
} }
void CefBrowserHostImpl::RenderViewDeleted( void CefBrowserHostImpl::RenderViewDeleted(
content::RenderViewHost* render_view_host) { content::RenderViewHost* render_view_host) {
registrar_->Remove(this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE, if (registrar_->IsRegistered(
content::Source<content::RenderViewHost>(render_view_host)); this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(render_view_host))) {
registrar_->Remove(this, content::NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
content::Source<content::RenderViewHost>(render_view_host));
}
} }
void CefBrowserHostImpl::RenderViewReady() { void CefBrowserHostImpl::RenderViewReady() {