Reviewed by Darin Fisher.

        [chromium] histograms api updated in WebKitClient and added to ChromiumBridge
        https://bugs.webkit.org/show_bug.cgi?id=50285

        Test by loading "about:histograms" after navigating to accelerated pages.

        * platform/chromium/ChromiumBridge.h: api update.
2010-12-02  Vincent Scheib  <scheib@chromium.org>

        Reviewed by Darin Fisher.

        [chromium] histograms api updated in WebKitClient/ChromiumBridge and histogram "GPU.setIsAcceleratedCompositingActive" added.
        https://bugs.webkit.org/show_bug.cgi?id=50285

        Test by loading "about:histograms" after navigating to accelerated pages.

        * public/WebKitClient.h:
        (WebKit::WebKitClient::histogramCustomCounts): api update.
        (WebKit::WebKitClient::histogramEnumeration): api update.
        * src/ChromiumBridge.cpp:
        (WebCore::ChromiumBridge::histogramCustomCounts): api update.
        (WebCore::ChromiumBridge::histogramEnumeration): api update.
        * src/WebViewImpl.cpp:
        (WebKit::WebViewImpl::setIsAcceleratedCompositingActive): "GPU.setIsAcceleratedCompositingActive" added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@73137 268f45cc-cd09-0410-ab3c-d52691b4dbfc