WIP fix for Ozone cursor woes in Mushrome: Numéro deux

ui/base/cursor/cursor_loader_ozone.cc

Index: ui/base/cursor/cursor_loader_ozone.cc
diff --git a/ui/base/cursor/cursor_loader_ozone.cc b/ui/base/cursor/cursor_loader_ozone.cc
index 5f1ba8ec57c55a8ead4881f196e8e35747482009..c7af31e3b51f6416aa3cda29a60d6c404b5552f0 100644
--- a/ui/base/cursor/cursor_loader_ozone.cc
+++ b/ui/base/cursor/cursor_loader_ozone.cc
@@ -6,13 +6,16 @@
 
 #include <vector>
 
+#include "base/debug/stack_trace.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/base/cursor/cursor_util.h"
 #include "ui/ozone/public/cursor_factory_ozone.h"
 
 namespace ui {
 
-CursorLoaderOzone::CursorLoaderOzone() {}
+CursorLoaderOzone::CursorLoaderOzone() {
+  factory_ = CursorFactoryOzone::GetInstance();
+}
 
 CursorLoaderOzone::~CursorLoaderOzone() {}
 
@@ -24,8 +27,7 @@ void CursorLoaderOzone::LoadImageCursor(CursorType id,
 
   GetImageCursorBitmap(resource_id, scale(), rotation(), &hotspot, &bitmap);
 
-  cursors_[id] = CursorFactoryOzone::GetInstance()->CreateImageCursor(
-      bitmap, hotspot, scale());
+  cursors_[id] = factory_->CreateImageCursor(bitmap, hotspot, scale());
 }
 
 void CursorLoaderOzone::LoadAnimatedCursor(CursorType id,
@@ -38,15 +40,15 @@ void CursorLoaderOzone::LoadAnimatedCursor(CursorType id,
   GetAnimatedCursorBitmaps(
       resource_id, scale(), rotation(), &hotspot, &bitmaps);
 
-  cursors_[id] = CursorFactoryOzone::GetInstance()->CreateAnimatedCursor(
-      bitmaps, hotspot, frame_delay_ms, scale());
+  cursors_[id] =
+      factory_->CreateAnimatedCursor(bitmaps, hotspot, frame_delay_ms, scale());
 }
 
 void CursorLoaderOzone::UnloadAll() {
   for (ImageCursorMap::const_iterator it = cursors_.begin();
-       it != cursors_.end();
-       ++it)
-    CursorFactoryOzone::GetInstance()->UnrefImageCursor(it->second);
+       it != cursors_.end(); ++it) {
+    factory_->UnrefImageCursor(it->second);
+  }
   cursors_.clear();
 }
 
@@ -62,7 +64,7 @@ void CursorLoaderOzone::SetPlatformCursor(gfx::NativeCursor* cursor) {
     platform = cursor->platform();
   } else {
     // Use default cursor of this type.
-    platform = CursorFactoryOzone::GetInstance()->GetDefaultCursor(native_type);
+    platform = factory_->GetDefaultCursor(native_type);
   }
 
   cursor->SetPlatformCursor(platform);