Revert of Submit Compositor Frame from OffscreenCanvas on main

third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp

Index: third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp
diff --git a/third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp b/third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp
index 1d62bf46088754aaa1d7afd728e2f571bcf2cf46..b5f8febd6e7bfcd7f93520e4634a53b70aa5fd7f 100644
--- a/third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp
+++ b/third_party/WebKit/Source/core/offscreencanvas/OffscreenCanvas.cpp
@@ -9,7 +9,6 @@
 #include "core/html/canvas/CanvasRenderingContext.h"
 #include "core/html/canvas/CanvasRenderingContextFactory.h"
 #include "platform/graphics/ImageBuffer.h"
-#include "platform/graphics/OffscreenCanvasFrameDispatcherImpl.h"
 #include "wtf/MathExtras.h"
 #include <memory>
 
@@ -28,18 +27,11 @@
 
 void OffscreenCanvas::setWidth(unsigned width)
 {
-    // If this OffscreenCanvas is transferred control by an html canvas,
-    // its size is determined by html canvas's size and cannot be resized.
-    if (m_canvasId >= 0)
-        return;
     m_size.setWidth(clampTo<int>(width));
 }
 
 void OffscreenCanvas::setHeight(unsigned height)
 {
-    // Same comment as above.
-    if (m_canvasId >= 0)
-        return;
     m_size.setHeight(clampTo<int>(height));
 }
 
@@ -142,13 +134,6 @@
     return m_context->isPaintable();
 }
 
-OffscreenCanvasFrameDispatcher* OffscreenCanvas::getOrCreateFrameDispatcher()
-{
-    if (!m_frameDispatcher)
-        m_frameDispatcher = wrapUnique(new OffscreenCanvasFrameDispatcherImpl(m_clientId, m_localId, m_nonce, width(), height()));
-    return m_frameDispatcher.get();
-}
-
 DEFINE_TRACE(OffscreenCanvas)
 {
     visitor->trace(m_context);