[webkit-changes] [WebKit/WebKit] 8cfac2: Send policy decision responses to correct process ...

[Alex Christensen]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 8cfac266c6454819b4bcbca59c8cd4c6ac181f1a
      https://github.com/WebKit/WebKit/commit/8cfac266c6454819b4bcbca59c8cd4c6ac181f1a
  Author: Alex Christensen <achristensen at apple.com>
  Date:   2023-03-02 (Thu, 02 Mar 2023)

  Changed paths:
    M Source/WebCore/loader/FrameLoader.cpp
    M Source/WebCore/loader/FrameLoader.h
    M Source/WebCore/page/AbstractFrame.h
    M Source/WebCore/page/Frame.cpp
    M Source/WebCore/page/Frame.h
    M Source/WebCore/page/RemoteFrame.cpp
    M Source/WebCore/page/RemoteFrame.h
    M Source/WebKit/UIProcess/ProvisionalFrameProxy.cpp
    M Source/WebKit/UIProcess/WebFrameProxy.cpp
    M Source/WebKit/UIProcess/WebFrameProxy.h
    M Source/WebKit/UIProcess/WebPageProxy.cpp
    M Source/WebKit/UIProcess/WebPageProxy.h
    M Tools/TestWebKitAPI/Tests/WebKitCocoa/SiteIsolation.mm
    M Tools/WebKitTestRunner/cocoa/CrashReporterInfo.mm

  Log Message:
  -----------
  Send policy decision responses to correct process when navigating site isolated iframes
https://bugs.webkit.org/show_bug.cgi?id=253197
rdar://106108279

Reviewed by Chris Dumez.

Instead of using the WebPageProxy's process, use the WebFrameProxy's process for sending the reply.
When site isolation is not enabled, these are always the same.
Grandchild iframes were not starting to load without this change when site isolation is enabled.
Since the site isolation tests are getting further than they did before, implement a little
more of the logic to make the load event of the parent frame happen at the right time.

* Source/WebKit/UIProcess/WebFrameProxy.h:
(WebKit::WebFrameProxy::process):
* Source/WebKit/UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::decidePolicyForNavigationActionAsync):
(WebKit::WebPageProxy::decidePolicyForNavigationActionSync):
(WebKit::WebPageProxy::decidePolicyForResponse):
* Source/WebKit/UIProcess/WebPageProxy.h:
* Tools/TestWebKitAPI/Tests/WebKitCocoa/SiteIsolation.mm:
(TestWebKitAPI::TEST):

Canonical link: https://commits.webkit.org/261050@main