Add text autosizing override in the inspector.

Source/core/page/Settings.cpp

Index: Source/core/page/Settings.cpp
diff --git a/Source/core/page/Settings.cpp b/Source/core/page/Settings.cpp
index 317c8e34b48d46add7fc4d735e2f90153510ef88..479a0a515f1d9fe345ae90c1e5f14b7f6aba2877 100644
--- a/Source/core/page/Settings.cpp
+++ b/Source/core/page/Settings.cpp
@@ -224,6 +224,11 @@ void Settings::setTextAutosizingEnabled(bool textAutosizingEnabled)
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
+bool Settings::textAutosizingEnabled() const
+{
+    return InspectorInstrumentation::overrideTextAutosizing(m_page, m_textAutosizingEnabled);
+}
+
 void Settings::setTextAutosizingWindowSizeOverride(const IntSize& textAutosizingWindowSizeOverride)
 {
     if (m_textAutosizingWindowSizeOverride == textAutosizingWindowSizeOverride)