isFramebuffer    2904 Source/core/html/canvas/WebGLRenderingContextBase.cpp     return m_context->isFramebuffer(framebuffer->object());
isFramebuffer     210 Source/core/html/canvas/WebGLRenderingContextBase.h     GLboolean isFramebuffer(WebGLFramebuffer*);
isFramebuffer     168 Source/platform/graphics/test/MockWebGraphicsContext3D.h     virtual WGC3Dboolean isFramebuffer(WebGLId framebuffer) { return false; }
isFramebuffer     290 public/platform/WebGraphicsContext3D.h     virtual WGC3Dboolean isFramebuffer(WebGLId framebuffer) = 0;