cc: Consider scroll offset in CalcDrawProperties

cc/trees/layer_tree_host_impl_unittest.cc

 // Copyright 2011 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.
 
 #include "cc/trees/layer_tree_host_impl.h"
 
 #include <cmath>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 1876 matching lines @@
   child->AddChild(grand_child.Pass());
 
   root->AddChild(child.Pass());
   host_impl_->active_tree()->SetRootLayer(root.Pass());
   host_impl_->active_tree()->DidBecomeActive();
   host_impl_->SetViewportSize(surface_size);
   InitializeRendererAndDrawFrame();
   {
     gfx::Vector2d scroll_delta(-8, -7);
     EXPECT_EQ(InputHandler::ScrollStarted,
-              host_impl_->ScrollBegin(gfx::Point(5, 5),
+              host_impl_->ScrollBegin(gfx::Point(),
                                       InputHandler::Wheel));
     host_impl_->ScrollBy(gfx::Point(), scroll_delta);
     host_impl_->ScrollEnd();
 
     scoped_ptr<ScrollAndScaleSet> scroll_info =
         host_impl_->ProcessScrollDeltas();
 
     // The grand child should have scrolled up to its limit.
     LayerImpl* child = host_impl_->active_tree()->root_layer()->children()[0];
     LayerImpl* grand_child = child->children()[0];
@@ skipping 18 matching lines @@
   child->AddChild(grand_child.Pass());
 
   root->AddChild(child.Pass());
   host_impl_->active_tree()->SetRootLayer(root.Pass());
   host_impl_->active_tree()->DidBecomeActive();
   host_impl_->SetViewportSize(surface_size);
   InitializeRendererAndDrawFrame();
   {
     gfx::Vector2d scroll_delta(0, -10);
     EXPECT_EQ(InputHandler::ScrollStarted,
-              host_impl_->ScrollBegin(gfx::Point(5, 5),
+              host_impl_->ScrollBegin(gfx::Point(),
                                       InputHandler::NonBubblingGesture));
     host_impl_->ScrollBy(gfx::Point(), scroll_delta);
     host_impl_->ScrollEnd();
 
     scoped_ptr<ScrollAndScaleSet> scroll_info =
         host_impl_->ProcessScrollDeltas();
 
     // The grand child should have scrolled up to its limit.
     LayerImpl* child = host_impl_->active_tree()->root_layer()->children()[0];
     LayerImpl* grand_child = child->children()[0];
@@ skipping 408 matching lines @@
   child->AddChild(grand_child.Pass());
 
   root->AddChild(child.Pass());
   host_impl_->active_tree()->SetRootLayer(root.Pass());
   host_impl_->active_tree()->DidBecomeActive();
   host_impl_->SetViewportSize(surface_size);
   InitializeRendererAndDrawFrame();
   {
     gfx::Vector2d scroll_delta(0, -10);
     EXPECT_EQ(InputHandler::ScrollStarted,
-              host_impl_->ScrollBegin(gfx::Point(5, 5),
+              host_impl_->ScrollBegin(gfx::Point(),
                                       InputHandler::NonBubblingGesture));
     host_impl_->ScrollBy(gfx::Point(), scroll_delta);
     EXPECT_EQ(gfx::Vector2dF(), host_impl_->accumulated_root_overscroll());
     host_impl_->ScrollEnd();
 
     LayerImpl* child = host_impl_->active_tree()->root_layer()->children()[0];
     LayerImpl* grand_child = child->children()[0];
 
     // The next time we scroll we should only scroll the parent, but overscroll
     // should still not reach the root layer.
@@ skipping 3709 matching lines @@
   EXPECT_EQ(actual_policy, host_impl_->ActualManagedMemoryPolicy());
   EXPECT_EQ(policy1.bytes_limit_when_visible, current_limit_bytes_);
   EXPECT_EQ(visible_cutoff_value, current_priority_cutoff_value_);
   host_impl_->SetVisible(false);
   EXPECT_EQ(policy1.bytes_limit_when_not_visible, current_limit_bytes_);
   EXPECT_EQ(not_visible_cutoff_value, current_priority_cutoff_value_);
 }
 
 }  // namespace
 }  // namespace cc