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

cc/trees/layer_tree_host_impl_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_impl.h"
 
 #include <cmath>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 4258 matching lines @@
       OVERRIDE {}
   virtual bool HasImplThread() const OVERRIDE { return false; }
   virtual bool ShouldClearRootRenderPass() const OVERRIDE { return true; }
   virtual CompositorFrameMetadata MakeCompositorFrameMetadata() const
       OVERRIDE { return CompositorFrameMetadata(); }
 
  protected:
   TestRenderer(ResourceProvider* resource_provider,
                OutputSurface* output_surface,
                Proxy* proxy)
-      : GLRenderer(this, output_surface, resource_provider) {}
+      : GLRenderer(this, output_surface, resource_provider, 0) {}
 
  private:
   LayerTreeSettings settings_;
   gfx::Size viewport_size_;
   base::hash_set<RenderPass::Id> textures_;
 };
 
 static void ConfigureRenderPassTestData(const char* test_script,
                                         RenderPassRemovalTestData* test_data,
                                         TestRenderer* renderer) {
@@ skipping 314 matching lines @@
   char actual_result[1024];
   DumpRenderPassTestData(test_data, actual_result);
   EXPECT_STREQ(test_case.expected_result, actual_result) << "In test case: " <<
       test_case.name;
 }
 
 TEST_F(LayerTreeHostImplTest, TestRemoveRenderPasses) {
   scoped_ptr<OutputSurface> output_surface(CreateOutputSurface());
   ASSERT_TRUE(output_surface->context3d());
   scoped_ptr<ResourceProvider> resource_provider =
-      ResourceProvider::Create(output_surface.get());
+      ResourceProvider::Create(output_surface.get(), 0);
 
   scoped_ptr<TestRenderer> renderer =
       TestRenderer::Create(resource_provider.get(),
                            output_surface.get(),
                            &proxy_);
 
   int test_case_index = 0;
   while (remove_render_passes_cases[test_case_index].name) {
     RenderPassRemovalTestData test_data;
     ConfigureRenderPassTestData(
@@ skipping 353 matching lines @@
     EXPECT_EQ(gfx::RectF(0.f, 0.f, 1.f, 1.f).ToString(),
               render_pass_quad->mask_uv_rect.ToString());
 
     host_impl_->DrawLayers(&frame, base::TimeTicks::Now());
     host_impl_->DidDrawAllLayers(frame);
   }
 }
 
 }  // namespace
 }  // namespace cc