Compute GpuDriverBugWorkarounds only one time in the GPU process

gpu/command_buffer/tests/gl_cube_map_texture_unittest.cc

 // Copyright 2015 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 <GLES2/gl2.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
 #include "gpu/command_buffer/tests/gl_manager.h"
@@ skipping 13 matching lines @@
 
 // A collection of tests that exercise the cube map texture.
 class GLCubeMapTextureTest : public testing::TestWithParam<GLenum> {
  protected:
   void SetUp() override {
     base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
     // ANGLE and NVidia fails ReadPixelsFromIncompleteCubeTexture without this
     // workaround.
     command_line.AppendSwitchASCII(switches::kGpuDriverBugWorkarounds,
                                    base::IntToString(gpu::FORCE_CUBE_COMPLETE));
-    gl_.InitializeWithCommandLine(GLManager::Options(), &command_line);
+    gl_.InitializeWithCommandLine(GLManager::Options(), command_line);
     DCHECK(gl_.workarounds().force_cube_complete);
     for (int i = 0; i < 256; i++) {
       pixels_[i * 4] = 255u;
       pixels_[(i * 4) + 1] = 0;
       pixels_[(i * 4) + 2] = 0;
       pixels_[(i * 4) + 3] = 255u;
     }
 
     glGenTextures(1, &texture_);
     glBindTexture(GL_TEXTURE_CUBE_MAP, texture_);
@@ skipping 90 matching lines @@
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT),
             glCheckFramebufferStatus(GL_FRAMEBUFFER));
   GLsizei size = width_ * width_ * 4;
   scoped_ptr<uint8_t[]> pixels(new uint8_t[size]);
   glReadPixels(0, 0, width_, width_, GL_RGBA, GL_UNSIGNED_BYTE, pixels.get());
   EXPECT_EQ(static_cast<GLenum>(GL_INVALID_FRAMEBUFFER_OPERATION),
             glGetError());
 }
 
 }  // namespace gpu