Revert of Get rid of gpu related switches by passing gpu::GpuPreferences via IPC.

gpu/command_buffer/service/gpu_switches.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 "gpu/command_buffer/service/gpu_switches.h"
 
 #include "base/macros.h"
 
 namespace switches {
 
@@ skipping 53 matching lines @@
     "enable-threaded-texture-mailboxes";
 
 // Include ANGLE's intermediate representation (AST) output in shader
 // compilation info logs.
 const char kGLShaderIntermOutput[] = "gl-shader-interm-output";
 
 // Emulate ESSL lowp and mediump float precisions by mutating the shaders to
 // round intermediate values in ANGLE.
 const char kEmulateShaderPrecision[] = "emulate-shader-precision";
 
+const char* kGpuSwitches[] = {
+    kCompileShaderAlwaysSucceeds,
+    kDisableGLErrorLimit,
+    kDisableGLSLTranslator,
+    kDisableGpuDriverBugWorkarounds,
+    kDisableShaderNameHashing,
+    kEnableGPUCommandLogging,
+    kEnableGPUDebugging,
+    kEnableGPUServiceLoggingGPU,
+    kDisableGpuProgramCache,
+    kEnforceGLMinimums,
+    kForceGpuMemAvailableMb,
+    kGpuDriverBugWorkarounds,
+    kGpuProgramCacheSizeKb,
+    kDisableGpuShaderDiskCache,
+    kEnableShareGroupAsyncTextureUpload,
+    kEnableSubscribeUniformExtension,
+    kGLShaderIntermOutput,
+    kEmulateShaderPrecision,
+};
+
+const int kNumGpuSwitches = arraysize(kGpuSwitches);
+
 }  // namespace switches