Implement WebKit::WebUnitTestSupport::createLayerTreeViewForTesting()

webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h

Index: webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h
diff --git a/webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h b/webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h
new file mode 100644
index 0000000000000000000000000000000000000000..72d39b2e058fd93f4b9feec4b10ed77b634e5064
--- /dev/null
+++ b/webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h
@@ -0,0 +1,84 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WEBKIT_COMPOSITOR_BINDINGS_WEB_LAYER_TREE_VIEW_IMPL_FOR_TESTING_H_
+#define WEBKIT_COMPOSITOR_BINDINGS_WEB_LAYER_TREE_VIEW_IMPL_FOR_TESTING_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/layer_tree_host_client.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/WebLayerTreeView.h"
+#include "webkit/compositor_bindings/webkit_compositor_bindings_export.h"
+
+namespace cc {
+class FontAtlas;
+class LayerTreeHost;
+}
+
+namespace WebKit {
+class WebLayer;
+class WebLayerTreeViewClient;
+class WebLayerTreeViewClientAdapter;
+
+class WebLayerTreeViewImplForTesting : public WebKit::WebLayerTreeView,

[danakj, 2013/02/11 18:43:03]

Since there are different types of tests (pixel tests are tests too!) maybe this
could be named more obviously that this will not generate any output pixels.
ForUnitTests? NullOutputForTesting?

+    public cc::LayerTreeHostClient {
+ public:
+  WEBKIT_COMPOSITOR_BINDINGS_EXPORT WebLayerTreeViewImplForTesting();
+  virtual ~WebLayerTreeViewImplForTesting();
+
+  WEBKIT_COMPOSITOR_BINDINGS_EXPORT bool initialize();
+
+  // WebLayerTreeView implementation.
+  virtual void setSurfaceReady();
+  virtual void setRootLayer(const WebLayer&);
+  virtual void clearRootLayer();
+  virtual void setViewportSize(const WebSize& layout_viewport_size,
+                               const WebSize& device_viewport_size);
+  virtual WebSize layoutViewportSize() const;
+  virtual WebSize deviceViewportSize() const;
+  virtual void setDeviceScaleFactor(float);
+  virtual float deviceScaleFactor() const;
+  virtual void setBackgroundColor(WebColor);
+  virtual void setHasTransparentBackground(bool);
+  virtual void setVisible(bool);
+  virtual void setPageScaleFactorAndLimits(float page_scale_factor,
+                                           float minimum,
+                                           float maximum);
+  virtual void startPageScaleAnimation(const WebPoint& destination,
+                                       bool use_anchor, float new_page_scale,
+                                       double duration_sec);
+  virtual void setNeedsAnimate();
+  virtual void setNeedsRedraw();
+  virtual bool commitRequested() const;
+  virtual void composite();
+  virtual void updateAnimations(double frame_begin_time);
+  virtual void didStopFlinging();
+  virtual bool compositeAndReadback(void* pixels, const WebRect&);
+  virtual void finishAllRendering();
+  virtual void setDeferCommits(bool defer_commits);
+  virtual void renderingStats(WebRenderingStats&) const;
+
+  // cc::LayerTreeHostClient implementation.
+  virtual void willBeginFrame() OVERRIDE;
+  virtual void didBeginFrame() OVERRIDE;
+  virtual void animate(double monotonic_frame_begin_time) OVERRIDE;
+  virtual void layout() OVERRIDE;
+  virtual void applyScrollAndScale(gfx::Vector2d scroll_delta, float page_scale)
+      OVERRIDE;
+  virtual scoped_ptr<cc::OutputSurface> createOutputSurface() OVERRIDE;
+  virtual void didRecreateOutputSurface(bool success) OVERRIDE;
+  virtual scoped_ptr<cc::InputHandler> createInputHandler() OVERRIDE;
+  virtual void willCommit() OVERRIDE;
+  virtual void didCommit() OVERRIDE;
+  virtual void didCommitAndDrawFrame() OVERRIDE;
+  virtual void didCompleteSwapBuffers() OVERRIDE;
+  virtual void scheduleComposite() OVERRIDE;
+  virtual scoped_ptr<cc::FontAtlas> createFontAtlas();
+
+ private:
+  scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
+};
+
+}  // namespace Web_kit
+
+#endif  // WEBKIT_COMPOSITOR_BINDINGS_WEB_LAYER_TREE_VIEW_IMPL_FOR_TESTING_H_