platformLayer    3208 Source/core/html/HTMLMediaElement.cpp blink::WebLayer* HTMLMediaElement::platformLayer() const
platformLayer    2322 Source/core/html/canvas/CanvasRenderingContext2D.cpp blink::WebLayer* CanvasRenderingContext2D::platformLayer() const
platformLayer    4202 Source/core/html/canvas/WebGLRenderingContextBase.cpp blink::WebLayer* WebGLRenderingContextBase::platformLayer() const
platformLayer    1056 Source/platform/graphics/GraphicsLayer.cpp WebLayer* GraphicsLayer::platformLayer() const
platformLayer     148 Source/platform/graphics/ImageBuffer.cpp blink::WebLayer* ImageBuffer::platformLayer() const
platformLayer     389 Source/platform/graphics/gpu/DrawingBuffer.cpp blink::WebLayer* DrawingBuffer::platformLayer()
platformLayer     583 Source/web/WebPluginContainerImpl.cpp WebLayer* WebPluginContainerImpl::platformLayer() const