Refactor GL bindings so there is no global GLApi or DriverGL.

gpu/config/gpu_info_collector_unittest.cc

 // Copyright (c) 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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/strings/string_split.h"
 #include "gpu/config/gpu_info.h"
 #include "gpu/config/gpu_info_collector.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gl/gl_context_stub.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_mock.h"
+#include "ui/gl/gl_surface_stub.h"
 #include "ui/gl/init/gl_factory.h"
 #include "ui/gl/test/gl_surface_test_support.h"
 
 using ::gl::MockGLInterface;
 using ::testing::Return;
 using ::testing::SetArgPointee;
 using ::testing::_;
 
 namespace {
 
@@ skipping 93 matching lines @@
             "GL_EXT_read_format_bgra";
         gl_shading_language_version_ = "1.40 NVIDIA via Cg compiler";
         break;
       }
       default: {
         NOTREACHED();
         break;
       }
     }
 
+    // Need to make a context current so that WillUseGLGetStringForExtensions
+    // can be called
+    context_ = new gl::GLContextStub;
+    context_->SetExtensionsString(test_values_.gl_extensions.c_str());
+    context_->SetGLVersionString(test_values_.gl_version.c_str());
+    surface_ = new gl::GLSurfaceStub;
+    context_->MakeCurrent(surface_.get());
+
     EXPECT_CALL(*gl_, GetString(GL_VERSION))
         .WillRepeatedly(Return(reinterpret_cast<const GLubyte*>(
             test_values_.gl_version.c_str())));
 
     // Now that that expectation is set up, we can call this helper function.
     if (gl::WillUseGLGetStringForExtensions()) {
       EXPECT_CALL(*gl_, GetString(GL_EXTENSIONS))
           .WillRepeatedly(Return(reinterpret_cast<const GLubyte*>(
               test_values_.gl_extensions.c_str())));
     } else {
@@ skipping 28 matching lines @@
     gl_.reset();
     gl::init::ShutdownGL();
 
     testing::Test::TearDown();
   }
 
  public:
   // Use StrictMock to make 100% sure we know how GL will be called.
   std::unique_ptr<::testing::StrictMock<::gl::MockGLInterface>> gl_;
   GPUInfo test_values_;
+  scoped_refptr<gl::GLContextStub> context_;
+  scoped_refptr<gl::GLSurfaceStub> surface_;
   const char* gl_shading_language_version_ = nullptr;
 
   // Persistent storage is needed for the split extension string.
   std::vector<std::string> split_extensions_;
 };
 
 INSTANTIATE_TEST_CASE_P(GPUConfig,
                         GPUInfoCollectorTest,
                         ::testing::ValuesIn(kMockedOperatingSystemKinds));
 
@@ skipping 235 matching lines @@
 
   gpu_info.gl_vendor = "Google Corporation";
   gpu_info.gl_renderer = "Chrome GPU Team";
   IdentifyActiveGPU(&gpu_info);
   EXPECT_FALSE(gpu_info.gpu.active);
   EXPECT_FALSE(gpu_info.secondary_gpus[0].active);
 }
 
 }  // namespace gpu