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

cc/layers/tiled_layer_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/layers/tiled_layer.h"
 
 #include <limits>
 #include <vector>
 
 #include "cc/debug/overdraw_metrics.h"
@@ skipping 47 matching lines @@
     layer_tree_host_ = LayerTreeHost::Create(&fake_layer_impl_tree_host_client_,
                                              settings_,
                                              scoped_ptr<Thread>(NULL));
     proxy_ = layer_tree_host_->proxy();
     resource_manager_ = PrioritizedResourceManager::Create(proxy_);
     layer_tree_host_->InitializeRendererIfNeeded();
     layer_tree_host_->SetRootLayer(Layer::Create());
 
     DebugScopedSetImplThreadAndMainThreadBlocked
     impl_thread_and_main_thread_blocked(proxy_);
-    resource_provider_ = ResourceProvider::Create(output_surface_.get());
+    resource_provider_ = ResourceProvider::Create(output_surface_.get(), 0);
     host_impl_ = make_scoped_ptr(new FakeLayerTreeHostImpl(proxy_));
   }
 
   virtual ~TiledLayerTest() {
     ResourceManagerClearAllMemory(resource_manager_.get(),
                                   resource_provider_.get());
 
     DebugScopedSetImplThreadAndMainThreadBlocked
     impl_thread_and_main_thread_blocked(proxy_);
     resource_provider_.reset();
@@ skipping 1720 matching lines @@
   // Invalidate the entire layer in layer space. When painting, the rect given
   // to webkit should match the layer's bounds.
   layer->SetNeedsDisplayRect(layer_rect);
   layer->Update(queue_.get(), 0, NULL);
 
   EXPECT_RECT_EQ(layer_rect, layer->tracking_layer_painter()->PaintedRect());
 }
 
 }  // namespace
 }  // namespace cc