Revert of command_buffer: Enable gl path rendering by default

gpu/command_buffer/tests/gl_chromium_path_rendering_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 <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 #include <GLES2/gl2extchromium.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <cmath>
@@ skipping 20 matching lines @@
 }
 }
 namespace gpu {
 
 class CHROMIUMPathRenderingTest : public testing::Test {
  protected:
   static const GLsizei kResolution = 300;
 
   void SetUp() override {
     GLManager::Options options;
+    base::CommandLine command_line(*base::CommandLine::ForCurrentProcess());
+    command_line.AppendSwitch(switches::kEnableGLPathRendering);
     InitializeContextFeatures(&options);
-    gl_.Initialize(options);
+    gl_.InitializeWithCommandLine(options, &command_line);
   }
 
   virtual void InitializeContextFeatures(GLManager::Options* options) {
     options->size = gfx::Size(kResolution, kResolution);
   }
 
   void TearDown() override { gl_.Destroy(); }
 
   bool IsApplicable() const {
     return GLTestHelper::HasExtension("GL_CHROMIUM_path_rendering");
@@ skipping 1718 matching lines @@
   glProgramPathFragmentInputGenCHROMIUM(program, kUnboundLocation,
                                         GL_CONSTANT_CHROMIUM, 4, kColor);
   EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
 }
 
 INSTANTIATE_TEST_CASE_P(WithAndWithoutShaderNameMapping,
                         CHROMIUMPathRenderingWithTexturingTest,
                         ::testing::Bool());
 
 }  // namespace gpu