gpu: Make pack/unpack alignment part of autogenerated state

gpu/command_buffer/service/context_state.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_state.h"
 
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/buffer_manager.h"
 #include "gpu/command_buffer/service/error_state.h"
 #include "gpu/command_buffer/service/framebuffer_manager.h"
@@ skipping 18 matching lines @@
 }  // anonymous namespace.
 
 TextureUnit::TextureUnit()
     : bind_target(GL_TEXTURE_2D) {
 }
 
 TextureUnit::~TextureUnit() {
 }
 
 ContextState::ContextState(FeatureInfo* feature_info, Logger* logger)
-    : pack_alignment(4),
-      unpack_alignment(4),
-      active_texture_unit(0),
+    : active_texture_unit(0),
       pack_reverse_row_order(false),
       fbo_binding_for_scissor_workaround_dirty_(false),
       feature_info_(feature_info),
       error_state_(ErrorState::Create(logger)) {
   Initialize();
 }
 
 ContextState::~ContextState() {
 }
 
@@ skipping 77 matching lines @@
     } else {
       glDisableVertexAttribArray(attrib_index);
     }
   }
   glVertexAttrib4fv(attrib_index, attrib_values[attrib_index].v);
 }
 
 void ContextState::RestoreGlobalState() const {
   InitCapabilities();
   InitState();
-
-  glPixelStorei(GL_PACK_ALIGNMENT, pack_alignment);
-  glPixelStorei(GL_UNPACK_ALIGNMENT, unpack_alignment);
 }
 
 void ContextState::RestoreState() const {
   RestoreAllTextureUnitBindings();
 
   // Restore Attrib State
   // TODO: This if should not be needed. RestoreState is getting called
   // before GLES2Decoder::Initialize which is a bug.
   if (vertex_attrib_manager) {
     // TODO(gman): Move this restoration to VertexAttribManager.
@@ skipping 15 matching lines @@
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/context_state_impl_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu