Add preliminary support for hw-accelerated tile rasterization.

cc/resources/raster_worker_pool_unittest.cc

Index: cc/resources/raster_worker_pool_unittest.cc
diff --git a/cc/resources/raster_worker_pool_unittest.cc b/cc/resources/raster_worker_pool_unittest.cc
index 716edf6c5263ef1380f60e6a0617c22bfe93c46d..a25492c7fd09271d15d4e4e77ea36ce135153336 100644
--- a/cc/resources/raster_worker_pool_unittest.cc
+++ b/cc/resources/raster_worker_pool_unittest.cc
@@ -29,8 +29,11 @@ class TestRasterWorkerPoolTaskImpl : public internal::RasterWorkerPoolTask {
   TestRasterWorkerPoolTaskImpl(
       const Resource* resource,
       const Reply& reply,
-      TaskVector* dependencies)
-      : internal::RasterWorkerPoolTask(resource, dependencies),
+      TaskVector* dependencies,
+      bool use_gpu_rasterization)
+      : internal::RasterWorkerPoolTask(resource,
+                                       dependencies,
+                                       use_gpu_rasterization),
         reply_(reply),
         did_raster_(false) {}
 
@@ -42,6 +45,10 @@ class TestRasterWorkerPoolTaskImpl : public internal::RasterWorkerPoolTask {
     did_raster_ = true;
     return true;
   }
+  virtual void RunOnOriginThread(ResourceProvider* resource_provider,
+                                 ContextProvider* context_provider) OVERRIDE {
+    did_raster_ = true;
+  }
   virtual void CompleteOnOriginThread() OVERRIDE {
     reply_.Run(PicturePileImpl::Analysis(), !HasFinishedRunning(), did_raster_);
   }
@@ -104,11 +111,12 @@ class RasterWorkerPoolTest : public testing::Test,
   void RunTest(bool use_map_image) {
     if (use_map_image) {
       raster_worker_pool_ = ImageRasterWorkerPool::Create(
-          resource_provider(), 1, GL_TEXTURE_2D);
+          resource_provider(), NULL, 1, GL_TEXTURE_2D);
     } else {
       raster_worker_pool_ =
           PixelBufferRasterWorkerPool::Create(
               resource_provider(),
+              NULL,
               1,
               std::numeric_limits<size_t>::max());
     }
@@ -171,7 +179,8 @@ class RasterWorkerPoolTest : public testing::Test,
                        base::Unretained(this),
                        base::Passed(&resource),
                        id),
-            &empty.tasks_)));
+            &empty.tasks_,
+            false)));
   }
 
   virtual void OnTaskCompleted(scoped_ptr<ScopedResource> resource,