Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

cc/resources/image_raster_worker_pool.cc

 // Copyright 2013 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/resources/image_raster_worker_pool.h"
 
 #include "base/debug/trace_event.h"
 #include "cc/resources/resource.h"
 #include "third_party/skia/include/core/SkDevice.h"
 
@@ skipping 63 matching lines @@
 void ImageRasterWorkerPool::ScheduleTasks(RasterTask::Queue* queue) {
   TRACE_EVENT0("cc", "ImageRasterWorkerPool::ScheduleTasks");
 
   internal::WorkerPoolTask::TaskVector tasks;
 
   RasterWorkerPool::SetRasterTasks(queue);
 
   for (RasterTask::Queue::TaskVector::const_iterator it =
            raster_tasks().begin();
        it != raster_tasks().end(); ++it) {
-    internal::RasterWorkerPoolTask* task = *it;
+    internal::RasterWorkerPoolTask* task = it->get();
 
     TaskMap::iterator image_it = image_tasks_.find(task);
     if (image_it != image_tasks_.end()) {
-      internal::WorkerPoolTask* image_task = image_it->second;
+      internal::WorkerPoolTask* image_task = image_it->second.get();
       tasks.push_back(image_task);
       continue;
     }
 
     // Acquire image for resource.
     resource_provider()->AcquireImage(task->resource()->id());
 
     // Map image for raster.
     uint8* buffer = resource_provider()->MapImage(task->resource()->id());
     int stride = resource_provider()->GetImageStride(task->resource()->id());
@@ skipping 22 matching lines @@
   RootTask root(&tasks);
   ScheduleRasterTasks(root);
 }
 
 void ImageRasterWorkerPool::OnRasterTaskCompleted(
     scoped_refptr<internal::RasterWorkerPoolTask> task,
     bool was_canceled) {
   TRACE_EVENT1("cc", "ImageRasterWorkerPool::OnRasterTaskCompleted",
                "was_canceled", was_canceled);
 
-  DCHECK(image_tasks_.find(task) != image_tasks_.end());
+  DCHECK(image_tasks_.find(task.get()) != image_tasks_.end());
 
   // Balanced with MapImage() call in ScheduleTasks().
   resource_provider()->UnmapImage(task->resource()->id());
 
   // Bind image to resource.
   resource_provider()->BindImage(task->resource()->id());
 
   if (!was_canceled)
     task->DidRun();
 
   task->DidComplete();
   task->DispatchCompletionCallback();
 
-  image_tasks_.erase(task);
+  image_tasks_.erase(task.get());
 }
 
 }  // namespace cc