[C++11 Allowed Features] Declares a type-safe null pointer converting from NULL to nullptr [part-…

cc/trees/layer_tree_host_unittest_scroll.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 "cc/trees/layer_tree_host.h"
 
 #include "base/memory/weak_ptr.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/layers/picture_layer.h"
@@ skipping 26 matching lines @@
     Layer* root_layer = layer_tree_host()->root_layer();
     scoped_refptr<Layer> scroll_layer = Layer::Create();
     root_layer->AddChild(scroll_layer);
     // Create an effective max_scroll_offset of (100, 100).
     scroll_layer->SetBounds(gfx::Size(root_layer->bounds().width() + 100,
                                       root_layer->bounds().height() + 100));
     scroll_layer->SetIsDrawable(true);
     scroll_layer->SetIsContainerForFixedPositionLayers(true);
     scroll_layer->SetScrollClipLayerId(root_layer->id());
     scroll_layer->SetScrollOffset(initial_scroll_);
-    layer_tree_host()->RegisterViewportLayers(root_layer, scroll_layer, NULL);
+    layer_tree_host()->RegisterViewportLayers(
+        root_layer, scroll_layer, nullptr);
     PostSetNeedsCommitToMainThread();
   }
 
   virtual void Layout() override {
     Layer* root = layer_tree_host()->root_layer();
     Layer* scroll_layer = root->children()[0].get();
     if (!layer_tree_host()->source_frame_number()) {
       EXPECT_VECTOR_EQ(initial_scroll_, scroll_layer->scroll_offset());
     } else {
       EXPECT_VECTOR_EQ(gfx::ScrollOffsetWithDelta(initial_scroll_,
@@ skipping 56 matching lines @@
     Layer* root_layer = layer_tree_host()->root_layer();
     scroll_layer_ = Layer::Create();
     root_layer->AddChild(scroll_layer_);
     // Create an effective max_scroll_offset of (100, 100).
     scroll_layer_->SetBounds(gfx::Size(root_layer->bounds().width() + 100,
                                        root_layer->bounds().height() + 100));
     scroll_layer_->SetIsDrawable(true);
     scroll_layer_->SetIsContainerForFixedPositionLayers(true);
     scroll_layer_->SetScrollClipLayerId(root_layer->id());
     scroll_layer_->SetScrollOffset(initial_scroll_);
-    layer_tree_host()->RegisterViewportLayers(root_layer, scroll_layer_, NULL);
+    layer_tree_host()->RegisterViewportLayers(
+        root_layer, scroll_layer_, nullptr);
     PostSetNeedsCommitToMainThread();
   }
 
   virtual void BeginCommitOnThread(LayerTreeHostImpl* impl) override {
     switch (layer_tree_host()->source_frame_number()) {
       case 0:
         EXPECT_VECTOR_EQ(scroll_layer_->scroll_offset(), initial_scroll_);
         break;
       case 1:
         EXPECT_VECTOR_EQ(
@@ skipping 82 matching lines @@
     Layer* root_layer = layer_tree_host()->root_layer();
     scoped_refptr<Layer> root_scroll_layer = Layer::Create();
     root_scroll_layer->SetScrollClipLayerId(root_layer->id());
     root_scroll_layer->SetScrollOffset(initial_scroll_);
     root_scroll_layer->SetBounds(gfx::Size(200, 200));
     root_scroll_layer->SetIsDrawable(true);
     root_scroll_layer->SetIsContainerForFixedPositionLayers(true);
     root_layer->AddChild(root_scroll_layer);
 
     layer_tree_host()->RegisterViewportLayers(
-        root_layer, root_scroll_layer, NULL);
+        root_layer, root_scroll_layer, nullptr);
     layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.01f, 100.f);
   }
 
   virtual void WillBeginMainFrame() override {
     num_will_begin_main_frames_++;
     Layer* root_scroll_layer =
         layer_tree_host()->root_layer()->children()[0].get();
     switch (num_will_begin_main_frames_) {
       case 1:
         // This will not be aborted because of the initial prop changes.
@@ skipping 162 matching lines @@
     scoped_refptr<Layer> root_scroll_layer = Layer::Create();
     root_scroll_layer->SetScrollClipLayerId(root_layer->id());
     root_scroll_layer->SetBounds(
         gfx::Size(root_layer->bounds().width() + 100,
                   root_layer->bounds().height() + 100));
     root_scroll_layer->SetIsDrawable(true);
     root_scroll_layer->SetIsContainerForFixedPositionLayers(true);
     root_layer->AddChild(root_scroll_layer);
 
     layer_tree_host()->RegisterViewportLayers(
-        root_layer, root_scroll_layer, NULL);
+        root_layer, root_scroll_layer, nullptr);
     layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.01f, 100.f);
   }
 
   virtual void BeginTest() override {
     PostSetNeedsCommitToMainThread();
   }
 
   virtual void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
     LayerImpl* root = impl->active_tree()->root_layer();
     LayerImpl* scroll_layer = root->children()[0];
@@ skipping 84 matching lines @@
       expected_no_scroll_layer_ = root_scroll_layer_;
     } else {
       expected_scroll_layer_ = root_scroll_layer_;
       expected_no_scroll_layer_ = child_layer_;
     }
 
     expected_scroll_layer_->SetScrollOffset(initial_offset_);
 
     layer_tree_host()->SetRootLayer(root_layer);
     layer_tree_host()->RegisterViewportLayers(
-        root_layer, root_scroll_layer_, NULL);
+        root_layer, root_scroll_layer_, nullptr);
     LayerTreeHostScrollTest::SetupTree();
   }
 
   virtual void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
   virtual void WillCommit() override {
     // Keep the test committing (otherwise the early out for no update
     // will stall the test).
     if (layer_tree_host()->source_frame_number() < 2) {
       layer_tree_host()->SetNeedsCommit();
@@ skipping 35 matching lines @@
     }
   }
 
   virtual void DidActivateTreeOnThread(LayerTreeHostImpl* impl) override {
     LayerImpl* root_impl = impl->active_tree()->root_layer();
     FakePictureLayerImpl* root_scroll_layer_impl =
         static_cast<FakePictureLayerImpl*>(root_impl->children()[0]);
     FakePictureLayerImpl* child_layer_impl = static_cast<FakePictureLayerImpl*>(
         root_scroll_layer_impl->children()[0]);
 
-    LayerImpl* expected_scroll_layer_impl = NULL;
-    LayerImpl* expected_no_scroll_layer_impl = NULL;
+    LayerImpl* expected_scroll_layer_impl = nullptr;
+    LayerImpl* expected_no_scroll_layer_impl = nullptr;
     if (scroll_child_layer_) {
       expected_scroll_layer_impl = child_layer_impl;
       expected_no_scroll_layer_impl = root_scroll_layer_impl;
     } else {
       expected_scroll_layer_impl = root_scroll_layer_impl;
       expected_no_scroll_layer_impl = child_layer_impl;
     }
 
     EXPECT_VECTOR_EQ(gfx::Vector2d(), root_impl->ScrollDelta());
     EXPECT_VECTOR_EQ(gfx::Vector2d(),
@@ skipping 191 matching lines @@
     root_scroll_layer->SetScrollClipLayerId(root_layer->id());
     root_scroll_layer->SetScrollOffset(initial_scroll_);
     root_scroll_layer->SetBounds(
         gfx::Size(root_layer->bounds().width() + 100,
                   root_layer->bounds().height() + 100));
     root_scroll_layer->SetIsDrawable(true);
     root_scroll_layer->SetIsContainerForFixedPositionLayers(true);
     root_layer->AddChild(root_scroll_layer);
 
     layer_tree_host()->RegisterViewportLayers(
-        root_layer, root_scroll_layer, NULL);
+        root_layer, root_scroll_layer, nullptr);
     layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.01f, 100.f);
   }
 
   virtual void BeginTest() override {
     PostSetNeedsCommitToMainThread();
   }
 
   virtual void Layout() override {
     Layer* root = layer_tree_host()->root_layer();
     Layer* scroll_layer = root->children()[0].get();
@@ skipping 112 matching lines @@
     root_scroll_layer->SetScrollClipLayerId(root_layer->id());
     root_scroll_layer->SetScrollOffset(initial_scroll_);
     root_scroll_layer->SetBounds(
         gfx::Size(root_layer->bounds().width() + 100,
                   root_layer->bounds().height() + 100));
     root_scroll_layer->SetIsDrawable(true);
     root_scroll_layer->SetIsContainerForFixedPositionLayers(true);
     root_layer->AddChild(root_scroll_layer);
 
     layer_tree_host()->RegisterViewportLayers(
-        root_layer, root_scroll_layer, NULL);
+        root_layer, root_scroll_layer, nullptr);
     layer_tree_host()->SetPageScaleFactorAndLimits(1.f, 0.01f, 100.f);
   }
 
   virtual void BeginTest() override {
     PostSetNeedsCommitToMainThread();
   }
 
   virtual void WillCommit() override {
     Layer* root = layer_tree_host()->root_layer();
     Layer* scroll_layer = root->children()[0].get();
@@ skipping 19 matching lines @@
       ASSERT_TRUE(active_scroll_layer);
       active_scroll_layer->ScrollBy(impl_thread_scroll_);
     }
   }
 
   virtual void CommitCompleteOnThread(LayerTreeHostImpl* impl) override {
     // We force a second draw here of the first commit before activating
     // the second commit.
     LayerImpl* active_root = impl->active_tree()->root_layer();
     LayerImpl* active_scroll_layer =
-        active_root ? active_root->children()[0] : NULL;
+        active_root ? active_root->children()[0] : nullptr;
     LayerImpl* pending_root = impl->pending_tree()->root_layer();
     LayerImpl* pending_scroll_layer = pending_root->children()[0];
 
     ASSERT_TRUE(pending_root);
     ASSERT_TRUE(pending_scroll_layer);
     switch (impl->pending_tree()->source_frame_number()) {
       case 0:
         EXPECT_VECTOR_EQ(pending_scroll_layer->scroll_offset(),
                          initial_scroll_);
         EXPECT_VECTOR_EQ(pending_scroll_layer->ScrollDelta(), gfx::Vector2d());
@@ skipping 216 matching lines @@
       case 1:
         EndTest();
         break;
     }
   }
 
   virtual void AfterTest() override {}
 
   virtual void DidScroll(Layer* layer) {
     if (scroll_destroy_whole_tree_) {
-      layer_tree_host()->SetRootLayer(NULL);
+      layer_tree_host()->SetRootLayer(nullptr);
       EndTest();
       return;
     }
     layer->RemoveFromParent();
   }
 
  protected:
   class FakeLayerScrollClient {
    public:
     void DidScroll() {
@@ skipping 33 matching lines @@
   RunTest(true, false, true);
 }
 
 TEST_F(LayerTreeHostScrollTestLayerStructureChange, ScrollDestroyWholeTree) {
   scroll_destroy_whole_tree_ = true;
   RunTest(true, false, true);
 }
 
 }  // namespace
 }  // namespace cc