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Bug 1606528 - part 1: Implement BrowsingContext::IsTop(). r=kmag

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This is a frequent pattern.

Differential Revision: https://phabricator.services.mozilla.com/D58480

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Tetsuharu OHZEKI 2020-01-06 19:13:05 +00:00
parent b380a4a808
commit 02e6ecc1ca
1 changed files with 2 additions and 0 deletions
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docshell/base/BrowsingContext.h
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@ -221,6 +221,8 @@ class BrowsingContext : public nsISupports,
bool IsContent() const { return mType == Type::Content; }
bool IsChrome() const { return !IsContent(); }
bool IsTop() const { return !GetParent(); }
bool IsTopContent() const { return IsContent() && !GetParent(); }
bool IsContentSubframe() const { return IsContent() && GetParent(); }