content: Move type selection logic out of GpuMemoryBufferImpl.

content/content_tests.gypi

 # Copyright (c) 2013 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': {
     'layouttest_support_content_sources': [
       'public/test/layouttest_support.h',
       'public/test/nested_message_pump_android.cc',
       'public/test/nested_message_pump_android.h',
@@ skipping 654 matching lines @@
         'common/android/address_parser_unittest.cc',
         'common/android/gin_java_bridge_value_unittest.cc',
         'common/cc_messages_unittest.cc',
         'common/common_param_traits_unittest.cc',
         'common/cursors/webcursor_unittest.cc',
         'common/database_connections_unittest.cc',
         'common/database_identifier_unittest.cc',
         'common/dom_storage/dom_storage_map_unittest.cc',
         'common/dwrite_font_platform_win_unittest.cc',
         'common/fileapi/file_system_util_unittest.cc',
+        'common/gpu/client/gpu_memory_buffer_impl_unittest.cc',
         'common/gpu/gpu_memory_manager_unittest.cc',
         'common/host_discardable_shared_memory_manager_unittest.cc',
         'common/host_shared_bitmap_manager_unittest.cc',
         'common/indexed_db/indexed_db_key_unittest.cc',
         'common/input/gesture_event_stream_validator_unittest.cc',
         'common/input/input_param_traits_unittest.cc',
         'common/input/touch_event_stream_validator_unittest.cc',
         'common/input/web_input_event_traits_unittest.cc',
         'common/inter_process_time_ticks_converter_unittest.cc',
         'common/mac/attributed_string_coder_unittest.mm',
@@ skipping 1319 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }