Remove LayerTreeHostImpl::DrawViewportSize().

cc/trees/layer_tree_host_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.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 2279 matching lines @@
         EventListenerProperties::kBlocking);
     layer_tree_host()->SetEventListenerProperties(
         EventListenerClass::kTouchEndOrCancel,
         EventListenerProperties::kBlockingAndPassive);
     layer_tree_host()->SetHaveScrollEventHandlers(true);
 
     PostSetNeedsCommitToMainThread();
   }
 
   void DidActivateTreeOnThread(LayerTreeHostImpl* impl) override {
-    EXPECT_EQ(gfx::Size(20, 20), impl->DrawViewportSize());
+    EXPECT_EQ(gfx::Rect(20, 20), impl->DeviceViewport());
     EXPECT_EQ(SK_ColorGRAY, impl->active_tree()->background_color());
     EXPECT_EQ(EventListenerProperties::kPassive,
               impl->active_tree()->event_listener_properties(
                   EventListenerClass::kMouseWheel));
     EXPECT_EQ(EventListenerProperties::kBlocking,
               impl->active_tree()->event_listener_properties(
                   EventListenerClass::kTouchStartOrMove));
     EXPECT_EQ(EventListenerProperties::kBlockingAndPassive,
               impl->active_tree()->event_listener_properties(
                   EventListenerClass::kTouchEndOrCancel));
@@ skipping 251 matching lines @@
     client_.set_bounds(root_layer_->bounds());
   }
 
   void DidActivateTreeOnThread(LayerTreeHostImpl* impl) override {
     // Should only do one commit.
     EXPECT_EQ(0, impl->active_tree()->source_frame_number());
     // Device scale factor should come over to impl.
     EXPECT_NEAR(impl->active_tree()->device_scale_factor(), 1.5f, 0.00001f);
 
     // Device viewport is scaled.
-    EXPECT_EQ(gfx::Size(60, 60), impl->DrawViewportSize());
+    EXPECT_EQ(gfx::Rect(60, 60), impl->DeviceViewport());
 
     FakePictureLayerImpl* root = static_cast<FakePictureLayerImpl*>(
         impl->active_tree()->root_layer_for_testing());
     FakePictureLayerImpl* child = static_cast<FakePictureLayerImpl*>(
         impl->active_tree()->LayerById(child_layer_->id()));
 
     // Positions remain in layout pixels.
     EXPECT_EQ(gfx::PointF(), root->position());
     EXPECT_EQ(gfx::PointF(2.f, 2.f), child->position());
 
@@ skipping 5062 matching lines @@
   void AfterTest() override {}
 
  private:
   bool received_ack_ = false;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestDiscardAckAfterRelease);
 
 }  // namespace
 }  // namespace cc