Add autoresize capability for Chromium.

Source/WebKit/chromium/public/WebViewClient.h

Index: Source/WebKit/chromium/public/WebViewClient.h
diff --git a/Source/WebKit/chromium/public/WebViewClient.h b/Source/WebKit/chromium/public/WebViewClient.h
index 039d49df37b6d6f3930b95c78d750b9e2b2d3c76..5c912da927257cffa0cca4d58eeaccc515ffd672 100644
--- a/Source/WebKit/chromium/public/WebViewClient.h
+++ b/Source/WebKit/chromium/public/WebViewClient.h
@@ -248,6 +248,9 @@ public:
 
     virtual void numberOfWheelEventHandlersChanged(unsigned) { }
 
+    // Call when the size of the view automatically changed.

[levin, 2011/11/30 12:03:47]

Should be "called".

+    virtual void autoSizeChanged(const WebSize&) { }

[darin (slow to review), 2011/11/30 23:29:05]

Why do we need this?  Isn't WebWidgetClient::setSize sufficient to convey the
same information?

[levin, 2011/12/01 20:23:45]

You're right. It was old cruft laying around (part of what I meant by
unpolished). Sorry about that.

+
     // Indicates two things:
     //   1) This view may have a new layout now.
     //   2) Calling layout() is a no-op.