Make scroll offset type of float in cc

cc/layers/scrollbar_layer_unittest.cc

 // Copyright 2012 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 "base/containers/hash_tables.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/painted_scrollbar_layer.h"
 #include "cc/layers/painted_scrollbar_layer_impl.h"
 #include "cc/layers/scrollbar_layer_interface.h"
@@ skipping 117 matching lines @@
   scoped_ptr<Scrollbar> scrollbar(new FakeScrollbar);
   scoped_refptr<Layer> layer_tree_root = Layer::Create();
   scoped_refptr<Layer> scroll_layer = Layer::Create();
   scoped_refptr<Layer> content_layer = Layer::Create();
   scoped_refptr<Layer> scrollbar_layer =
       PaintedScrollbarLayer::Create(scrollbar.Pass(), layer_tree_root->id());
 
   // Choose bounds to give max_scroll_offset = (30, 50).
   layer_tree_root->SetBounds(gfx::Size(70, 150));
   scroll_layer->SetScrollClipLayerId(layer_tree_root->id());
-  scroll_layer->SetScrollOffset(gfx::Vector2d(10, 20));
+  scroll_layer->SetScrollOffset(gfx::ScrollOffset(10, 20));
   scroll_layer->SetBounds(gfx::Size(100, 200));
   content_layer->SetBounds(gfx::Size(100, 200));
 
   host->SetRootLayer(layer_tree_root);
   layer_tree_root->AddChild(scroll_layer);
   scroll_layer->AddChild(content_layer);
   layer_tree_root->AddChild(scrollbar_layer);
   scrollbar_layer->ToScrollbarLayer()->SetScrollLayer(scroll_layer->id());
   scrollbar_layer->ToScrollbarLayer()->SetClipLayer(layer_tree_root->id());
 
   layer_tree_root->SavePaintProperties();
   content_layer->SavePaintProperties();
 
   LayerImpl* layer_impl_tree_root = host->CommitAndCreateLayerImplTree();
 
   ScrollbarLayerImplBase* cc_scrollbar_layer =
       static_cast<PaintedScrollbarLayerImpl*>(
           layer_impl_tree_root->children()[1]);
 
   EXPECT_EQ(10.f, cc_scrollbar_layer->current_pos());
   EXPECT_EQ(30, cc_scrollbar_layer->maximum());
 
   layer_tree_root->SetBounds(gfx::Size(700, 1500));
   layer_tree_root->SavePaintProperties();
   scroll_layer->SetBounds(gfx::Size(1000, 2000));
-  scroll_layer->SetScrollOffset(gfx::Vector2d(100, 200));
+  scroll_layer->SetScrollOffset(gfx::ScrollOffset(100, 200));
   scroll_layer->SavePaintProperties();
   content_layer->SetBounds(gfx::Size(1000, 2000));
   content_layer->SavePaintProperties();
 
   ScrollbarAnimationController* scrollbar_controller =
       layer_impl_tree_root->scrollbar_animation_controller();
   layer_impl_tree_root = host->CommitAndCreateLayerImplTree();
   EXPECT_EQ(scrollbar_controller,
             layer_impl_tree_root->scrollbar_animation_controller());
 
@@ skipping 29 matching lines @@
   // Give the root-clip a size that will result in MaxScrollOffset = (80, 0).
   root_clip_layer->SetBounds(gfx::Size(20, 50));
   root_layer->SetBounds(gfx::Size(100, 50));
   content_layer->SetBounds(gfx::Size(100, 50));
 
   host->SetRootLayer(root_clip_layer);
   root_clip_layer->AddChild(root_layer);
   root_layer->AddChild(content_layer);
   root_layer->AddChild(scrollbar_layer);
 
-  root_layer->SetScrollOffset(gfx::Vector2d(0, 0));
+  root_layer->SetScrollOffset(gfx::ScrollOffset(0, 0));
   scrollbar_layer->SetBounds(gfx::Size(70, 10));
   scrollbar_layer->SetScrollLayer(root_layer->id());
   scrollbar_layer->SetClipLayer(root_clip_layer->id());
   scrollbar_layer->fake_scrollbar()->set_location(gfx::Point(20, 10));
   scrollbar_layer->fake_scrollbar()->set_track_rect(gfx::Rect(30, 10, 50, 10));
   scrollbar_layer->fake_scrollbar()->set_thumb_thickness(10);
   scrollbar_layer->fake_scrollbar()->set_thumb_length(4);
 
   scrollbar_layer->UpdateThumbAndTrackGeometry();
   LayerImpl* root_clip_layer_impl = NULL;
@@ skipping 23 matching lines @@
   // Give the root-clip a size that will result in MaxScrollOffset = (80, 0).
   root_clip_layer->SetBounds(gfx::Size(20, 50));
   root_layer->SetBounds(gfx::Size(100, 50));
   content_layer->SetBounds(gfx::Size(100, 50));
 
   host->SetRootLayer(root_clip_layer);
   root_clip_layer->AddChild(root_layer);
   root_layer->AddChild(content_layer);
   root_layer->AddChild(scrollbar_layer);
 
-  root_layer->SetScrollOffset(gfx::Vector2d(0, 0));
+  root_layer->SetScrollOffset(gfx::ScrollOffset(0, 0));
   scrollbar_layer->SetBounds(gfx::Size(70, 10));
   scrollbar_layer->SetScrollLayer(root_layer->id());
   scrollbar_layer->SetClipLayer(root_clip_layer->id());
   scrollbar_layer->fake_scrollbar()->set_location(gfx::Point(20, 10));
   scrollbar_layer->fake_scrollbar()->set_track_rect(gfx::Rect(30, 10, 50, 10));
   scrollbar_layer->fake_scrollbar()->set_thumb_thickness(10);
   scrollbar_layer->fake_scrollbar()->set_thumb_length(4);
   scrollbar_layer->UpdateThumbAndTrackGeometry();
   LayerImpl* root_clip_layer_impl = NULL;
   LayerImpl* root_layer_impl = NULL;
   PaintedScrollbarLayerImpl* scrollbar_layer_impl = NULL;
 
   // Thumb is at the edge of the scrollbar (should be inset to
   // the start of the track within the scrollbar layer's
   // position).
   UPDATE_AND_EXTRACT_LAYER_POINTERS();
   EXPECT_EQ(gfx::Rect(10, 0, 4, 10).ToString(),
             scrollbar_layer_impl->ComputeThumbQuadRect().ToString());
 
   // Under-scroll (thumb position should clamp and be unchanged).
-  root_layer->SetScrollOffset(gfx::Vector2d(-5, 0));
+  root_layer->SetScrollOffset(gfx::ScrollOffset(-5, 0));
 
   UPDATE_AND_EXTRACT_LAYER_POINTERS();
   EXPECT_EQ(gfx::Rect(10, 0, 4, 10).ToString(),
             scrollbar_layer_impl->ComputeThumbQuadRect().ToString());
 
   // Over-scroll (thumb position should clamp on the far side).
-  root_layer->SetScrollOffset(gfx::Vector2d(85, 0));
+  root_layer->SetScrollOffset(gfx::ScrollOffset(85, 0));
 
   UPDATE_AND_EXTRACT_LAYER_POINTERS();
   EXPECT_EQ(gfx::Rect(56, 0, 4, 10).ToString(),
             scrollbar_layer_impl->ComputeThumbQuadRect().ToString());
 
   // Change thumb thickness and length.
   scrollbar_layer->fake_scrollbar()->set_thumb_thickness(4);
   scrollbar_layer->fake_scrollbar()->set_thumb_length(6);
 
   UPDATE_AND_EXTRACT_LAYER_POINTERS();
@@ skipping 416 matching lines @@
       scrollbar_layer = PaintedScrollbarLayer::Create(scrollbar.Pass(),
                                                       layer_tree_root->id());
     }
     layer_tree_root->AddChild(content_layer);
     layer_tree_root->AddChild(scrollbar_layer);
 
     layer_tree_host_->SetRootLayer(layer_tree_root);
 
     scrollbar_layer->SetIsDrawable(true);
     scrollbar_layer->SetBounds(gfx::Size(100, 100));
-    layer_tree_root->SetScrollOffset(gfx::Vector2d(10, 20));
+    layer_tree_root->SetScrollOffset(gfx::ScrollOffset(10, 20));
     layer_tree_root->SetBounds(gfx::Size(100, 200));
     content_layer->SetBounds(gfx::Size(100, 200));
     scrollbar_layer->draw_properties().content_bounds = gfx::Size(100, 200);
     scrollbar_layer->draw_properties().visible_content_rect =
         gfx::Rect(0, 0, 100, 200);
     scrollbar_layer->CreateRenderSurface();
     scrollbar_layer->draw_properties().render_target = scrollbar_layer.get();
 
     testing::Mock::VerifyAndClearExpectations(layer_tree_host_.get());
     EXPECT_EQ(scrollbar_layer->layer_tree_host(), layer_tree_host_.get());
@@ skipping 361 matching lines @@
   TestScale(gfx::Rect(1240, 0, 15, 1333), 2.7754839f);
   TestScale(gfx::Rect(1240, 0, 15, 677), 2.46677136f);
 
   // Horizontal Scrollbars.
   TestScale(gfx::Rect(0, 1240, 1333, 15), 2.7754839f);
   TestScale(gfx::Rect(0, 1240, 677, 15), 2.46677136f);
 }
 
 }  // namespace
 }  // namespace cc