Merge last PGO-green changeset from mozilla-inbound to mozilla-central

content/base/crashtests/709384.html

content/base/crashtests/crashtests.list

content/base/public/nsDeprecatedOperationList.h

content/base/src/nsDocument.cpp

content/base/test/test_bug647518.html

content/media/nsBuiltinDecoder.cpp

content/media/nsMediaCache.cpp

content/media/nsMediaStream.cpp

dom/base/nsGlobalWindow.cpp

dom/interfaces/base/nsIDOMWindow.idl

dom/locales/en-US/chrome/dom/dom.properties

gfx/gl/GLContext.h

gfx/layers/ImageLayers.h

gfx/layers/opengl/ImageLayerOGL.h

gfx/thebes/gfxTypes.h

ipc/chromium/Makefile.in

ipc/chromium/src/base/sha2.cc

ipc/chromium/src/base/sha2.h

ipc/chromium/src/base/sha2_unittest.cc

ipc/chromium/src/base/third_party/nss/README.chromium