Adds support for the GL_ANGLE_texture_usage and GL_EXT_texture_storage

webkit/gpu/webgraphicscontext3d_in_process_impl.cc

Index: webkit/gpu/webgraphicscontext3d_in_process_impl.cc
===================================================================
--- webkit/gpu/webgraphicscontext3d_in_process_impl.cc	(revision 112643)
+++ webkit/gpu/webgraphicscontext3d_in_process_impl.cc	(working copy)
@@ -1616,6 +1616,9 @@
     WGC3Duint ioSurfaceId, WGC3Duint plane) {
 }
 
+DELEGATE_TO_GL_5(texStorage2DEXT, TexStorage2DEXT,
+                 WGC3Denum, WGC3Dint, WGC3Duint, WGC3Dint, WGC3Dint)
+
 #if WEBKIT_USING_SKIA
 GrGLInterface* WebGraphicsContext3DInProcessImpl::onCreateGrGLInterface() {
   return gfx::CreateInProcessSkiaGLBinding();