cc: Allow TEXTURE_RECTANGLE_ARB to be used for tile textures.

cc/resources/image_raster_worker_pool.h

Index: cc/resources/image_raster_worker_pool.h
diff --git a/cc/resources/image_raster_worker_pool.h b/cc/resources/image_raster_worker_pool.h
index 6352649335069ed3288888d3dad36f59d9d6f82f..38fe04238e1f8a4de93225c0d83daef5bed53d5d 100644
--- a/cc/resources/image_raster_worker_pool.h
+++ b/cc/resources/image_raster_worker_pool.h
@@ -14,20 +14,26 @@ class CC_EXPORT ImageRasterWorkerPool : public RasterWorkerPool {
   virtual ~ImageRasterWorkerPool();
 
   static scoped_ptr<RasterWorkerPool> Create(
-      ResourceProvider* resource_provider, size_t num_threads) {
+      ResourceProvider* resource_provider,
+      size_t num_threads,
+      GLenum texture_target) {
     return make_scoped_ptr<RasterWorkerPool>(
-        new ImageRasterWorkerPool(resource_provider, num_threads));
+        new ImageRasterWorkerPool(resource_provider,
+                                  num_threads,
+                                  texture_target));
   }
 
   // Overridden from RasterWorkerPool:
   virtual void ScheduleTasks(RasterTask::Queue* queue) OVERRIDE;
+  virtual GLenum GetResourceTarget() const OVERRIDE;
   virtual ResourceFormat GetResourceFormat() const OVERRIDE;
   virtual void OnRasterTasksFinished() OVERRIDE;
   virtual void OnRasterTasksRequiredForActivationFinished() OVERRIDE;
 
  private:
   ImageRasterWorkerPool(ResourceProvider* resource_provider,
-                        size_t num_threads);
+                        size_t num_threads,
+                        GLenum texture_target);
 
   void OnRasterTaskCompleted(
       scoped_refptr<internal::RasterWorkerPoolTask> task, bool was_canceled);
@@ -43,6 +49,8 @@ class CC_EXPORT ImageRasterWorkerPool : public RasterWorkerPool {
       internal::GraphNode* raster_finished_node,
       TaskGraph* graph);
 
+  const GLenum texture_target_;
+
   TaskMap image_tasks_;
 
   bool raster_tasks_pending_;