Use GpuPreferences to avoid directly accessing switches in gpu related code

gpu/command_buffer/service/context_group.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/context_group.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <string>
 
 #include "base/command_line.h"
 #include "gpu/command_buffer/common/value_state.h"
 #include "gpu/command_buffer/service/buffer_manager.h"
 #include "gpu/command_buffer/service/framebuffer_manager.h"
-#include "gpu/command_buffer/service/gpu_switches.h"
+#include "gpu/command_buffer/service/gpu_preferences.h"
 #include "gpu/command_buffer/service/mailbox_manager_impl.h"
 #include "gpu/command_buffer/service/path_manager.h"
 #include "gpu/command_buffer/service/program_manager.h"
 #include "gpu/command_buffer/service/renderbuffer_manager.h"
 #include "gpu/command_buffer/service/sampler_manager.h"
 #include "gpu/command_buffer/service/shader_manager.h"
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "gpu/command_buffer/service/transfer_buffer_manager.h"
 #include "gpu/command_buffer/service/valuebuffer_manager.h"
 #include "ui/gl/gl_bindings.h"
@@ skipping 23 matching lines @@
     adjusted_disallowed_features.chromium_color_buffer_float_rgb = true;
     adjusted_disallowed_features.ext_color_buffer_float = true;
     adjusted_disallowed_features.oes_texture_float_linear = true;
   }
   return adjusted_disallowed_features;
 }
 
 }  // namespace anonymous
 
 ContextGroup::ContextGroup(
+    const GpuPreferences& gpu_preferences,
     const scoped_refptr<MailboxManager>& mailbox_manager,
     const scoped_refptr<MemoryTracker>& memory_tracker,
     const scoped_refptr<ShaderTranslatorCache>& shader_translator_cache,
     const scoped_refptr<FramebufferCompletenessCache>&
         framebuffer_completeness_cache,
     const scoped_refptr<FeatureInfo>& feature_info,
     const scoped_refptr<SubscriptionRefSet>& subscription_ref_set,
     const scoped_refptr<ValueStateMap>& pending_valuebuffer_state,
     bool bind_generates_resource)
-    : mailbox_manager_(mailbox_manager),
+    : gpu_preferences_(gpu_preferences),
+      mailbox_manager_(mailbox_manager),
       memory_tracker_(memory_tracker),
       shader_translator_cache_(shader_translator_cache),
 #if defined(OS_MACOSX)
       // Framebuffer completeness is not cacheable on OS X because of dynamic
       // graphics switching.
       // http://crbug.com/180876
       // TODO(tobiasjs): determine whether GPU switching is possible
       // programmatically, rather than just hardcoding this behaviour
       // for OS X.
       framebuffer_completeness_cache_(NULL),
 #else
       framebuffer_completeness_cache_(framebuffer_completeness_cache),
 #endif
       subscription_ref_set_(subscription_ref_set),
       pending_valuebuffer_state_(pending_valuebuffer_state),
-      enforce_gl_minimums_(
-          base::CommandLine::InitializedForCurrentProcess()
-              ? base::CommandLine::ForCurrentProcess()->HasSwitch(
-                    switches::kEnforceGLMinimums)
-              : false),
+      enforce_gl_minimums_(gpu_preferences_.enforce_gl_minimums),
       bind_generates_resource_(bind_generates_resource),
       max_vertex_attribs_(0u),
       max_texture_units_(0u),
       max_texture_image_units_(0u),
       max_vertex_texture_image_units_(0u),
       max_fragment_uniform_vectors_(0u),
       max_varying_vectors_(0u),
       max_vertex_uniform_vectors_(0u),
       max_color_attachments_(1u),
       max_draw_buffers_(1u),
@@ skipping 239 matching lines @@
     max_vertex_uniform_vectors_ =
         std::min(max_vertex_uniform_vectors_,
                  static_cast<uint32_t>(
                      feature_info_->workarounds().max_vertex_uniform_vectors));
   }
 
   path_manager_.reset(new PathManager());
 
   program_manager_.reset(
       new ProgramManager(program_cache_, max_varying_vectors_,
-                         max_dual_source_draw_buffers_, feature_info_.get()));
+                         max_dual_source_draw_buffers_, gpu_preferences_,
+                         feature_info_.get()));
 
   if (!texture_manager_->Initialize()) {
     LOG(ERROR) << "Context::Group::Initialize failed because texture manager "
                << "failed to initialize.";
     return false;
   }
 
   decoders_.push_back(base::AsWeakPtr<GLES2Decoder>(decoder));
   return true;
 }
@@ skipping 147 matching lines @@
     GLuint client_id, GLuint* service_id) const {
   Buffer* buffer = buffer_manager_->GetBuffer(client_id);
   if (!buffer)
     return false;
   *service_id = buffer->service_id();
   return true;
 }
 
 }  // namespace gles2
 }  // namespace gpu