Remove the old text autosizer

Source/core/page/Page.cpp

Index: Source/core/page/Page.cpp
diff --git a/Source/core/page/Page.cpp b/Source/core/page/Page.cpp
index efadd7dc49820bcda807659b175e5dbfedecad34..174a7f27a7e6afb0050ba9772f53836421e3923c 100644
--- a/Source/core/page/Page.cpp
+++ b/Source/core/page/Page.cpp
@@ -54,7 +54,6 @@
 #include "core/page/scrolling/ScrollingCoordinator.h"
 #include "core/rendering/FastTextAutosizer.h"
 #include "core/rendering/RenderView.h"
-#include "core/rendering/TextAutosizer.h"
 #include "core/storage/StorageNamespace.h"
 #include "platform/plugins/PluginData.h"
 #include "wtf/HashMap.h"
@@ -520,19 +519,8 @@ void Page::settingsChanged(SettingsDelegate::ChangeType changeType)
     case SettingsDelegate::TextAutosizingChange:
         if (!mainFrame() || !mainFrame()->isLocalFrame())
             break;
-        if (FastTextAutosizer* textAutosizer = deprecatedLocalMainFrame()->document()->fastTextAutosizer()) {
+        if (FastTextAutosizer* textAutosizer = deprecatedLocalMainFrame()->document()->fastTextAutosizer())
             textAutosizer->updatePageInfoInAllFrames();
-        } else {
-            for (Frame* frame = mainFrame(); frame; frame = frame->tree().traverseNext()) {
-                if (!frame->isLocalFrame())
-                    continue;
-                if (TextAutosizer* textAutosizer = toLocalFrame(frame)->document()->textAutosizer())
-                    textAutosizer->recalculateMultipliers();
-            }
-            // TextAutosizing updates RenderStyle during layout phase (via TextAutosizer::processSubtree).
-            // We should invoke setNeedsLayout here.
-            setNeedsLayoutInAllFrames();
-        }
         break;
     case SettingsDelegate::ScriptEnableChange:
         m_inspectorController->scriptsEnabled(settings().scriptEnabled());