Update Linux to use scoped_refptr<T>::get() rather than implicit "operator T*"

gpu/command_buffer/tests/gl_gpu_memory_buffer_unittests.cc

Index: gpu/command_buffer/tests/gl_gpu_memory_buffer_unittests.cc
diff --git a/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittests.cc b/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittests.cc
index 6f93433775212005ca44945830a6304701d9b5f5..4647465abd8bb75abb84dbc2cebf997050ddf112 100644
--- a/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittests.cc
+++ b/gpu/command_buffer/tests/gl_gpu_memory_buffer_unittests.cc
@@ -42,7 +42,7 @@ class MockGpuMemoryBufferTest : public testing::Test {
     GLManager::Options options;
     image_manager_ = new ImageManager;
     image_factory_.reset(
-        new StrictMock<ImageFactoryMock>(image_manager_));
+        new StrictMock<ImageFactoryMock>(image_manager_.get()));
     options.image_manager = image_manager_.get();
     options.image_factory = image_factory_.get();