cc: Do not limit number of raster tasks for upload limit.

cc/trees/layer_tree_host_unittest.cc

 // Copyright 2011 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/trees/layer_tree_host.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/synchronization/lock.h"
@@ skipping 4493 matching lines @@
   int num_impl_commits_;
 };
 
 // Commits can only be aborted when using the thread proxy.
 MULTI_THREAD_TEST_F(LayerTreeHostTestAbortEvictedTextures);
 
 class LayerTreeHostTestMaxTransferBufferUsageBytes : public LayerTreeHostTest {
  protected:
   virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
     settings->impl_side_painting = true;
-    settings->default_tile_size = gfx::Size(128, 128);
   }
 
   virtual scoped_ptr<FakeOutputSurface> CreateFakeOutputSurface(bool fallback)
       OVERRIDE {
     scoped_refptr<TestContextProvider> context_provider =
         TestContextProvider::Create();
     context_provider->SetMaxTransferBufferUsageBytes(1024 * 1024);
     if (delegating_renderer())
       return FakeOutputSurface::CreateDelegating3d(context_provider);
     else
@@ skipping 10 matching lines @@
     LayerTreeHostTest::SetupTree();
   }
 
   virtual void BeginTest() OVERRIDE { PostSetNeedsCommitToMainThread(); }
 
   virtual void DidActivateTreeOnThread(LayerTreeHostImpl* impl) OVERRIDE {
     TestWebGraphicsContext3D* context = TestContext();
 
     // Expect that the transfer buffer memory used is equal to the
     // MaxTransferBufferUsageBytes value set in CreateOutputSurface.
-    // NOTE: This is now 1/2 due to raster memory limit in TileManager.
-    //       Only half the limit will be reached unless the task set
-    //       thrashes to a completly new set of tiles.
-    EXPECT_EQ(512 * 1024u, context->GetPeakTransferBufferMemoryUsedBytes());
+    EXPECT_EQ(1024 * 1024u, context->GetTransferBufferMemoryUsedBytes());
     EndTest();
   }
 
   virtual void AfterTest() OVERRIDE {}
 
  private:
   FakeContentLayerClient client_;
 };
 
 // Impl-side painting is a multi-threaded compositor feature.
@@ skipping 728 matching lines @@
   const gfx::Size bounds_;
   FakeContentLayerClient client_;
   scoped_refptr<ContentLayerWithUpdateTracking> content_layer_;
   scoped_refptr<FakePictureLayer> picture_layer_;
   Layer* child_layer_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestContinuousPainting);
 
 }  // namespace cc