[webkit-changes] [WebKit/WebKit] 4ca041: Support navigating cross-site iframe to mainFrame ...

[Chirag Shah]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 4ca041a13dfafa4a2fbe427511dd2705969b1be8
      https://github.com/WebKit/WebKit/commit/4ca041a13dfafa4a2fbe427511dd2705969b1be8
  Author: Chirag M Shah <chirag_m_shah at apple.com>
  Date:   2023-05-05 (Fri, 05 May 2023)

  Changed paths:
    M Source/WebCore/page/Page.cpp
    M Source/WebCore/page/Page.h
    M Source/WebKit/UIProcess/SubframePageProxy.cpp
    M Source/WebKit/UIProcess/WebFrameProxy.h
    M Source/WebKit/UIProcess/WebPageProxy.cpp
    M Source/WebKit/UIProcess/WebPageProxy.h
    M Source/WebKit/UIProcess/WebProcessPool.cpp
    M Source/WebKit/WebProcess/WebPage/WebFrame.cpp
    M Source/WebKit/WebProcess/WebPage/WebPage.cpp
    M Tools/TestWebKitAPI/Tests/WebKitCocoa/SiteIsolation.mm

  Log Message:
  -----------
  Support navigating cross-site iframe to mainFrame domain
https://bugs.webkit.org/show_bug.cgi?id=256339

Reviewed by Alex Christensen.

This change adds support so that an iframe can navigate back to the
mainFrame domain, and so that the load happens in the mainFrame process.

* Source/WebCore/page/Page.cpp:
(WebCore::Page::addRootFrame):
* Source/WebCore/page/Page.h:
(WebCore::Page::addRootFrame): Deleted.
* Source/WebKit/UIProcess/SubframePageProxy.cpp:
(WebKit::SubframePageProxy::didCommitLoadForFrame):
* Source/WebKit/UIProcess/WebFrameProxy.h:
(WebKit::WebFrameProxy::provisionalFrame):
* Source/WebKit/UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::receivedNavigationPolicyDecision):
(WebKit::WebPageProxy::didCommitLoadForFrame):
(WebKit::WebPageProxy::decidePolicyForNavigationAction):
(WebKit::WebPageProxy::decidePolicyForResponse):
* Source/WebKit/UIProcess/WebPageProxy.h:
* Source/WebKit/UIProcess/WebProcessPool.cpp:
(WebKit::WebProcessPool::processForNavigation):
* Source/WebKit/WebProcess/WebPage/WebFrame.cpp:
(WebKit::WebFrame::transitionToLocal):
* Source/WebKit/WebProcess/WebPage/WebPage.cpp:
(WebKit::WebPage::SandboxExtensionTracker::beginLoad):
* Tools/TestWebKitAPI/Tests/WebKitCocoa/SiteIsolation.mm:
(TestWebKitAPI::TEST):

Canonical link: https://commits.webkit.org/263747@main