cc: Remove ScopedPtrVector and cc::remove_if.

cc/trees/layer_tree_host_common_unittest.cc

Index: cc/trees/layer_tree_host_common_unittest.cc
diff --git a/cc/trees/layer_tree_host_common_unittest.cc b/cc/trees/layer_tree_host_common_unittest.cc
index 2df05aef4d65082bf3bd93a269faa84a079ede79..a72741b15f09c4a0e4e95bf7e7f9ebc4e4f9991c 100644
--- a/cc/trees/layer_tree_host_common_unittest.cc
+++ b/cc/trees/layer_tree_host_common_unittest.cc
@@ -3287,7 +3287,7 @@ TEST_F(LayerTreeHostCommonTest,
   host_impl.active_tree()->UpdateDrawProperties(update_lcd_text);
 
   LayerImpl* grand_child_ptr =
-      host_impl.active_tree()->root_layer()->children()[0]->children()[0];
+      host_impl.active_tree()->root_layer()->children()[0]->children()[0].get();
 
   // Though all layers have invertible transforms, matrix multiplication using
   // floating-point math makes the draw transform uninvertible.
@@ -5369,7 +5369,7 @@ TEST_F(LayerTreeHostCommonTest, SubtreeHiddenWithCopyRequest) {
   copy_grand_parent_sibling_before_layer->SetHideLayerAndSubtree(true);
   copy_grand_parent_sibling_after_layer->SetHideLayerAndSubtree(true);
 
-  ScopedPtrVector<CopyOutputRequest> copy_requests;
+  std::vector<scoped_ptr<CopyOutputRequest>> copy_requests;
   copy_requests.push_back(
       CopyOutputRequest::CreateRequest(base::Bind(&EmptyCopyOutputCallback)));
   copy_layer->PassCopyRequests(&copy_requests);
@@ -5461,7 +5461,7 @@ TEST_F(LayerTreeHostCommonTest, ClippedOutCopyRequest) {
                                true, false, false);
   copy_child->SetDrawsContent(true);
 
-  ScopedPtrVector<CopyOutputRequest> copy_requests;
+  std::vector<scoped_ptr<CopyOutputRequest>> copy_requests;
   copy_requests.push_back(
       CopyOutputRequest::CreateRequest(base::Bind(&EmptyCopyOutputCallback)));
   copy_layer->PassCopyRequests(&copy_requests);
@@ -8475,7 +8475,7 @@ TEST_F(LayerTreeHostCommonTest, SkippingSubtreeImpl) {
   // Now, even though child has zero opacity, we will configure |grandchild| and
   // |greatgrandchild| in several ways that should force the subtree to be
   // processed anyhow.
-  ScopedPtrVector<CopyOutputRequest> requests;
+  std::vector<scoped_ptr<CopyOutputRequest>> requests;
   requests.push_back(CopyOutputRequest::CreateEmptyRequest());
 
   greatgrandchild_ptr->PassCopyRequests(&requests);