cc: Use highp precision for texture coords if available and needed

cc/layers/nine_patch_layer_unittest.cc

 // Copyright 2012 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/layers/nine_patch_layer.h"
 
 #include "cc/base/thread.h"
 #include "cc/debug/overdraw_metrics.h"
 #include "cc/resources/prioritized_resource_manager.h"
 #include "cc/resources/resource_provider.h"
@@ skipping 82 matching lines @@
   layer_tree_host_->contents_texture_manager()->SetMaxMemoryLimitBytes(
       1024 * 1024);
   layer_tree_host_->contents_texture_manager()->PrioritizeTextures();
 
   scoped_ptr<OutputSurface> output_surface;
   scoped_ptr<ResourceProvider> resource_provider;
   {
     DebugScopedSetImplThread impl_thread(Proxy());
     DebugScopedSetMainThreadBlocked main_thread_blocked(Proxy());
     output_surface = CreateFakeOutputSurface();
-    resource_provider = ResourceProvider::Create(output_surface.get());
+    resource_provider = ResourceProvider::Create(output_surface.get(), 0);
     params.texture->AcquireBackingTexture(resource_provider.get());
     ASSERT_TRUE(params.texture->have_backing_texture());
   }
 
   // Nothing changed, so no repeated upload.
   test_layer->SetTexturePriorities(calculator);
   test_layer->Update(&queue, &occlusion_tracker, NULL);
   EXPECT_EQ(0u, queue.FullUploadSize());
   EXPECT_EQ(0u, queue.PartialUploadSize());
   {
@@ skipping 19 matching lines @@
   EXPECT_EQ(1u, queue2.FullUploadSize());
   EXPECT_EQ(0u, queue2.PartialUploadSize());
   params = queue2.TakeFirstFullUpload();
   EXPECT_TRUE(params.texture != NULL);
   EXPECT_EQ(params.texture->resource_manager(),
             layer_tree_host_->contents_texture_manager());
 }
 
 }  // namespace
 }  // namespace cc