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

cc/test/pixel_test.cc

 // Copyright 2013 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/test/pixel_test.h"
 
 #include "base/path_service.h"
 #include "cc/output/compositor_frame_metadata.h"
 #include "cc/output/gl_renderer.h"
 #include "cc/output/output_surface.h"
@@ skipping 44 matching lines @@
 
 void PixelTest::SetUp() {
   CHECK(gfx::InitializeGLBindings(gfx::kGLImplementationOSMesaGL));
 
   scoped_ptr<webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl>
       context3d(
           new webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl(
               WebKit::WebGraphicsContext3D::Attributes()));
   output_surface_.reset(new OutputSurface(
       context3d.PassAs<WebKit::WebGraphicsContext3D>()));
-  resource_provider_ = ResourceProvider::Create(output_surface_.get());
+  resource_provider_ = ResourceProvider::Create(output_surface_.get(), 0);
   fake_client_ =
       make_scoped_ptr(new PixelTestRendererClient(device_viewport_size_));
   renderer_ = GLRenderer::Create(fake_client_.get(),
                                  output_surface_.get(),
-                                 resource_provider_.get());
+                                 resource_provider_.get(),
+                                 0);
 
   scoped_refptr<webkit::gpu::ContextProviderInProcess> offscreen_contexts =
       webkit::gpu::ContextProviderInProcess::Create();
   ASSERT_TRUE(offscreen_contexts->BindToCurrentThread());
   resource_provider_->set_offscreen_context_provider(offscreen_contexts);
 }
 
 bool PixelTest::PixelsMatchReference(const base::FilePath& ref_file,
                                      const PixelComparator& comparator) {
   gfx::Rect device_viewport_rect(device_viewport_size_);
@@ skipping 10 matching lines @@
   if (!PathService::Get(cc::DIR_TEST_DATA, &test_data_dir))
     return false;
 
   // To rebaseline:
   // return WritePNGFile(bitmap, test_data_dir.Append(ref_file));
 
   return MatchesPNGFile(bitmap, test_data_dir.Append(ref_file), comparator);
 }
 
 }  // namespace cc