Add autoresize capability for Chromium.

Source/WebKit/chromium/src/ChromeClientImpl.cpp

Index: Source/WebKit/chromium/src/ChromeClientImpl.cpp
diff --git a/Source/WebKit/chromium/src/ChromeClientImpl.cpp b/Source/WebKit/chromium/src/ChromeClientImpl.cpp
index 146584bd9576c61020763703521d67d6c5d998eb..0775eed13074316b9ca784bb5997c2d740992dd0 100644
--- a/Source/WebKit/chromium/src/ChromeClientImpl.cpp
+++ b/Source/WebKit/chromium/src/ChromeClientImpl.cpp
@@ -549,6 +549,14 @@ IntRect ChromeClientImpl::rootViewToScreen(const IntRect& rect) const
     return screenRect;
 }
 
+void ChromeClientImpl::layoutBeforeScrollbarUpdate(WebCore::Frame* frame)
+{
+    if (m_webView->mainFrameImpl()->frame() != frame)
+        return;
+
+    m_webView->layoutBeforeScrollbarUpdate();
+}
+
 void ChromeClientImpl::contentsSizeChanged(Frame* frame, const IntSize& size) const
 {
     WebFrameImpl* webframe = WebFrameImpl::fromFrame(frame);
@@ -558,9 +566,7 @@ void ChromeClientImpl::contentsSizeChanged(Frame* frame, const IntSize& size) co
 
 void ChromeClientImpl::layoutUpdated(Frame* frame) const
 {
-    WebFrameImpl* webframe = WebFrameImpl::fromFrame(frame);
-    if (webframe->client())
-        webframe->client()->didUpdateLayout(webframe);
+    m_webView->didUpdateLayout(WebFrameImpl::fromFrame(frame));
 }
 
 void ChromeClientImpl::scrollbarsModeDidChange() const