Reland: Add ETC1 powered SSE encoder for tile texture compression

cc/cc.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
       # GN version: //cc
       'target_name': 'cc',
       'type': '<(component)',
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '<(DEPTH)/gpu/gpu.gyp:gpu',
         '<(DEPTH)/media/media.gyp:media',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/ui/events/events.gyp:events_base',
         '<(DEPTH)/ui/gfx/gfx.gyp:gfx',
         '<(DEPTH)/ui/gfx/gfx.gyp:gfx_geometry',
+        'cc_opts',
       ],
       'variables': {
         'optimize': 'max',
       },
       'export_dependent_settings': [
         '<(DEPTH)/skia/skia.gyp:skia',
       ],
       'defines': [
         'CC_IMPLEMENTATION=1',
       ],
@@ skipping 590 matching lines @@
         'surfaces/surface_manager.cc',
         'surfaces/surface_manager.h',
         'surfaces/surface_resource_holder.cc',
         'surfaces/surface_resource_holder.h',
         'surfaces/surfaces_export.h',
       ],
       'includes': [
         '../build/android/increase_size_for_speed.gypi',
       ],
     },
+    {
+      'target_name': 'cc_opts',
+      'type': 'static_library',
+      'conditions': [
+        ['target_arch == "ia32" or target_arch == "x64"', {
+          'defines': [
+            'CC_IMPLEMENTATION=1',
+          ],
+          'dependencies': [
+            'cc_opts_sse',
+          ]          
+        }],
+      ],  
+    },    
+    {
+      'target_name': 'cc_opts_sse',
+      'type': 'static_library',
+      'dependencies': [
+        '<(DEPTH)/base/base.gyp:base',
+      ],
+      'conditions': [
+        ['target_arch == "ia32" or target_arch == "x64"', {
+          'defines': [
+            'CC_IMPLEMENTATION=1',
+          ],
+          'sources': [
+            # Conditional compilation for SSE2 code on x86 and x64 machines
+            'resources/texture_compressor_etc1_sse.cc',
+            'resources/texture_compressor_etc1_sse.h',
+          ],
+          'cflags': [
+            '-msse2',
+          ],
+        }],
+      ],
+    },    
   ],
 }