Unit Test for WebView animating in and out of screen

android_webview/browser/browser_view_renderer.h

 // Copyright (c) 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 ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_
 #define ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_
 
 #include "android_webview/browser/parent_compositor_draw_constraints.h"
 #include "android_webview/browser/shared_renderer_state.h"
 #include "base/callback.h"
@@ skipping 95 matching lines @@
                             float min_page_scale_factor,
                             float max_page_scale_factor) override;
   bool IsExternalFlingActive() const override;
   void DidOverscroll(gfx::Vector2dF accumulated_overscroll,
                      gfx::Vector2dF latest_overscroll_delta,
                      gfx::Vector2dF current_fling_velocity) override;
 
   void UpdateParentDrawConstraints();
   void DetachFunctorFromView();
 
+  // Visible for testing.
+  const gfx::Rect& global_visible_rect_for_testing() {
+    return last_on_draw_global_visible_rect_;
+  }
+
  private:
   void SetTotalRootLayerScrollOffset(gfx::Vector2dF new_value_dip);
   bool CanOnDraw();
   // Checks the continuous invalidate and block invalidate state, and schedule
   // invalidates appropriately. If |force_invalidate| is true, then send a view
   // invalidate regardless of compositor expectation.
   void EnsureContinuousInvalidation(bool force_invalidate);
   bool CompositeSW(SkCanvas* canvas);
   void DidComposite();
   scoped_refptr<base::trace_event::ConvertableToTraceFormat>
@@ skipping 69 matching lines @@
   // visible skew (especially noticeable when scrolling up and down in the same
   // spot over a period of time).
   gfx::Vector2dF overscroll_rounding_error_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserViewRenderer);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_