Rendering text to a canvas in a frame-less document.

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 19a0e0def294cb5053921d7d5bb703e3e5fb2cef..9b3ad5b445ef9a79a18fcb8050bcbda00b180c03 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -472,6 +472,7 @@ Document::Document(const DocumentInit& initializer, DocumentClassFlags documentC
     , m_parserSyncPolicy(AllowAsynchronousParsing)
     , m_nodeCount(0)
     , m_visibilityWasLogged(false)
+    , m_settings(Settings::create())

[Justin Novosad, 2016/09/12 18:44:59]

This should be lazily allocated in settings() instead of in the constructor
IMHO.

[zakerinasab, 2016/09/12 19:47:33]

Done.

 {
     if (m_frame) {
         DCHECK(m_frame->page());
@@ -1422,7 +1423,9 @@ FrameHost* Document::frameHost() const
 
 Settings* Document::settings() const
 {
-    return m_frame ? m_frame->settings() : nullptr;
+    if (m_frame)
+        return m_frame->settings();
+    return m_settings.get();
 }
 
 Range* Document::createRange()