Add text autosizing override in the inspector.

Source/core/inspector/InspectorPageAgent.cpp

Index: Source/core/inspector/InspectorPageAgent.cpp
diff --git a/Source/core/inspector/InspectorPageAgent.cpp b/Source/core/inspector/InspectorPageAgent.cpp
index 0438dc0809a8595fd6272069581ffbfdcf2f2bf2..ea8999452f5b1c5dbe1c867d22ea384cc49b86ba 100644
--- a/Source/core/inspector/InspectorPageAgent.cpp
+++ b/Source/core/inspector/InspectorPageAgent.cpp
@@ -1252,6 +1252,20 @@ void InspectorPageAgent::applyEmulatedMedia(String* media)
         *media = emulatedMedia;
 }
 
+void InspectorPageAgent::setTextAutosizingOverride(ErrorString*, bool enabled)
+{
+    Settings& settings = m_page->settings();
+    settings.setTextAutosizingEnabledOverride(enabled ? TextAutosizingOverride::TextAutosizingOverrideEnabled : TextAutosizingOverride::TextAutosizingOverrideDisabled);
+    m_overlay->setOverride(InspectorOverlay::TextAutosizingOverride, true);
+}
+
+void InspectorPageAgent::clearTextAutosizingOverride(ErrorString* errorString)
+{
+    Settings& settings = m_page->settings();
+    settings.setTextAutosizingEnabledOverride(TextAutosizingOverride::NoOverride);
+    m_overlay->setOverride(InspectorOverlay::TextAutosizingOverride, false);
+}
+
 void InspectorPageAgent::setForceCompositingMode(ErrorString* errorString, bool force)
 {
     Settings& settings = m_page->settings();