Change the context type name to "bitmaprender" for ImageBitmapRenderingContext

third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.cpp

Index: third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.cpp
diff --git a/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.cpp b/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.cpp
index e58ca02320a4f504dfb2eb24ef633b9a1e38c024..d9557ca30ff768bd40052bd6da0702ca6ea98829 100644
--- a/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.cpp
+++ b/third_party/WebKit/Source/core/html/canvas/CanvasRenderingContext.cpp
@@ -46,7 +46,7 @@ CanvasRenderingContext::ContextType CanvasRenderingContext::contextTypeFromId(co
         return ContextWebgl;
     if (id == "webgl2")
         return ContextWebgl2;
-    if (id == "imagebitmap" && RuntimeEnabledFeatures::experimentalCanvasFeaturesEnabled()) {
+    if (id == "bitmaprenderer" && RuntimeEnabledFeatures::experimentalCanvasFeaturesEnabled()) {
         return ContextImageBitmap;
     }
     return ContextTypeCount;