With WebKit main, building WebKitGTK fails: In file included from /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:27, from /app/webkit/WebKitBuild/Release/DerivedSources/WebKit/unified-sources/UnifiedSource-54928a2b-22.cpp:1: /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.h:57:5: error: ‘WeakPtr’ does not name a type 57 | WeakPtr<WebPage> m_page; | ^~~~~~~ /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp: In constructor ‘WebKit::WebColorChooser::WebColorChooser(WebKit::WebPage*, WebCore::ColorChooserClient*, const WebCore::Color&)’: /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:42:7: error: class ‘WebKit::WebColorChooser’ does not have any field named ‘m_page’ 42 | , m_page(page) | ^~~~~~ /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:44:5: error: ‘m_page’ was not declared in this scope; did you mean ‘page’? 44 | m_page->setActiveColorChooser(this); | ^~~~~~ | page /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp: In destructor ‘virtual WebKit::WebColorChooser::~WebColorChooser()’: /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:50:10: error: ‘m_page’ was not declared in this scope 50 | if (!m_page) | ^~~~~~ /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:53:5: error: ‘m_page’ was not declared in this scope 53 | m_page->setActiveColorChooser(0); | ^~~~~~ /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp: In member function ‘void WebKit::WebColorChooser::disconnectFromPage()’: /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:68:5: error: ‘m_page’ was not declared in this scope 68 | m_page = 0; | ^~~~~~ /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp: In member function ‘virtual void WebKit::WebColorChooser::reattachColorChooser(const WebCore::Color&)’: /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:74:5: error: ‘m_page’ was not declared in this scope 74 | m_page->setActiveColorChooser(this); | ^~~~~~ /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp: In member function ‘virtual void WebKit::WebColorChooser::setSelectedColor(const WebCore::Color&)’: /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:82:10: error: ‘m_page’ was not declared in this scope 82 | if (!m_page) | ^~~~~~ /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:85:9: error: ‘m_page’ was not declared in this scope 85 | if (m_page->activeColorChooser() != this) | ^~~~~~ /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:88:113: error: ‘m_page’ was not declared in this scope 88 | WebProcess::singleton().parentProcessConnection()->send(Messages::WebPageProxy::SetColorPickerColor(color), m_page->identifier()); | ^~~~~~ /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp: In member function ‘virtual void WebKit::WebColorChooser::endChooser()’: /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:93:10: error: ‘m_page’ was not declared in this scope 93 | if (!m_page) | ^~~~~~ /app/webkit/Source/WebKit/WebProcess/WebCoreSupport/WebColorChooser.cpp:96:103: error: ‘m_page’ was not declared in this scope 96 | WebProcess::singleton().parentProcessConnection()->send(Messages::WebPageProxy::EndColorPicker(), m_page->identifier()); | ^~~~~~ [1342/1636] Building CXX object Sourc...urces/UnifiedSource-54928a2b-25.cpp.o ninja: build stopped: subcommand failed.