Merge 73424 - 2010-12-06 Alexey Marinichev <amarinichev@chromium.org>...

Merge 73424 - 2010-12-06  Alexey Marinichev  <amarinichev@chromium.org>;

        Reviewed by Kenneth Russell.

        Throw webglcontextlost and webglcontextrestored events when a WebGL context is lost and restored.
        https://bugs.webkit.org/show_bug.cgi?id=50364

        No new tests since there is currently no way to force a context lost event.

        * html/canvas/WebGLRenderingContext.cpp:
        (WebCore::WebGLRenderingContext::WebGLRenderingContextRestoreTimer::fired):
        (WebCore::WebGLRenderingContext::create):
        (WebCore::WebGLRenderingContext::WebGLRenderingContext):
        (WebCore::WebGLRenderingContext::isContextLost):
        (WebCore::WebGLRenderingContext::loseContext):
        (WebCore::WebGLRenderingContext::restoreContext):
        * html/canvas/WebGLRenderingContext.h:
        (WebCore::WebGLRenderingContext::WebGLRenderingContextRestoreTimer::WebGLRenderingContextRestoreTimer):

TBR=amarinichev@chromium.org
BUG=57176
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=73480