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