Remove CanvasRenderingContext::NeedsFinalizeFrame

This function was being overridden twice, but was never called anywhere.

Bug: 1005911
Change-Id: Ia17aaf20ed47ccad80571438578d0b62911cc7f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1856918Reviewed-by: Juanmi Huertas <juanmihd@chromium.org>
Reviewed-by: Fernando Serboncini <fserb@chromium.org>
Commit-Queue: Aaron Krajeski <aaronhk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#706461}

third_party/blink/renderer/core/html/canvas/canvas_rendering_context.cc

@@ -116,10 +116,6 @@ void CanvasRenderingContext::DidDraw() {
   StartListeningForDidProcessTask();
 }
 
-void CanvasRenderingContext::NeedsFinalizeFrame() {
-  StartListeningForDidProcessTask();
-}
-
 void CanvasRenderingContext::DidProcessTask(
     const base::PendingTask& /* pending_task */) {
   StopListeningForDidProcessTask();

third_party/blink/renderer/core/html/canvas/canvas_rendering_context.h

@@ -134,7 +134,6 @@ class CORE_EXPORT CanvasRenderingContext : public ScriptWrappable,
   // the contents of the canvas (called didDraw). It marks the completion
   // of a presentable frame.
   virtual void FinalizeFrame() {}
-  void NeedsFinalizeFrame();
 
   // Thread::TaskObserver implementation
   void DidProcessTask(const base::PendingTask&) override;

third_party/blink/renderer/modules/canvas/canvas2d/base_rendering_context_2d.h

@@ -364,7 +364,6 @@ class MODULES_EXPORT BaseRenderingContext2D : public GarbageCollectedMixin,
   mutable UsageCounters usage_counters_;
 
   virtual void FinalizeFrame() {}
-  virtual void NeedsFinalizeFrame() {}
 
   float GetFontBaseline(const SimpleFontData&) const;
 

third_party/blink/renderer/modules/canvas/canvas2d/canvas_rendering_context_2d.h

@@ -201,9 +201,6 @@ class MODULES_EXPORT CanvasRenderingContext2D final
   CanvasColorParams ColorParamsForTest() const { return ColorParams(); }
 
  protected:
-  void NeedsFinalizeFrame() override {
-    CanvasRenderingContext::NeedsFinalizeFrame();
-  }
   CanvasColorParams ColorParams() const override;
   bool WritePixels(const SkImageInfo& orig_info,
                    const void* pixels,

third_party/blink/renderer/modules/canvas/offscreencanvas2d/offscreen_canvas_rendering_context_2d.h

@@ -125,9 +125,6 @@ class MODULES_EXPORT OffscreenCanvasRenderingContext2D final
   bool HasRecordedDrawCommands() { return have_recorded_draw_commands_; }
 
  protected:
-  void NeedsFinalizeFrame() override {
-    CanvasRenderingContext::NeedsFinalizeFrame();
-  }
   CanvasColorParams ColorParams() const override;
   bool WritePixels(const SkImageInfo& orig_info,
                    const void* pixels,