Accelerate small canvases if Ganesh is on.

Source/web/ChromeClientImpl.cpp

Index: Source/web/ChromeClientImpl.cpp
diff --git a/Source/web/ChromeClientImpl.cpp b/Source/web/ChromeClientImpl.cpp
index f0c39246aa2fe3e74868289b1cebaf0db432eaa2..79041e94c004160aea726ac0243ce11d6dfcae63 100644
--- a/Source/web/ChromeClientImpl.cpp
+++ b/Source/web/ChromeClientImpl.cpp
@@ -882,6 +882,11 @@ void ChromeClientImpl::openTextDataListChooser(HTMLInputElement& input)
         m_webView->autofillClient()->openTextDataListChooser(WebInputElement(&input));
 }
 
+bool ChromeClientImpl::usesGpuRasterization()
+{
+    return m_webView->layerTreeView()->usesGpuRasterization();
+}
+
 PassOwnPtr<NavigatorContentUtilsClientImpl> NavigatorContentUtilsClientImpl::create(WebViewImpl* webView)
 {
     return adoptPtr(new NavigatorContentUtilsClientImpl(webView));
@@ -907,4 +912,5 @@ void NavigatorContentUtilsClientImpl::unregisterProtocolHandler(const String& sc
     m_webView->client()->unregisterProtocolHandler(scheme, baseURL, url);
 }
 
+
 } // namespace blink