GPU: Buld most of the gpu as a single DLL.

ppapi/ppapi_shared.gypi

 # 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': {
      'conditions': [
         ['inside_chromium_build==0', {
             'webkit_src_dir': '../../../..',
         },{
             'webkit_src_dir': '../third_party/WebKit',
         }],
       ],
     },
    'targets': [
     {
       'target_name': 'ppapi_shared',
       'type': '<(component)',
       'dependencies': [
         'ppapi.gyp:ppapi_c',
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
         '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../build/temp_gyp/googleurl.gyp:googleurl',
+        '../gpu/gpu.gyp:command_buffer_client',
         '../gpu/gpu.gyp:gles2_implementation',
         '../net/net.gyp:net',
         '../skia/skia.gyp:skia',
         '../third_party/icu/icu.gyp:icuuc',
         # TODO(ananta) : The WebKit dependency needs to move to a new target for NACL.
         '<(webkit_src_dir)/Source/WebKit/chromium/WebKit.gyp:webkit',
         '../ui/gfx/surface/surface.gyp:surface',
       ],
       'defines': [
         'PPAPI_SHARED_IMPLEMENTATION',
@@ skipping 200 matching lines @@
         'thunk/ppb_websocket_api.h',
         'thunk/ppb_websocket_thunk.cc',
         'thunk/ppb_widget_api.h',
         'thunk/ppb_widget_thunk.cc',
         'thunk/ppb_zoom_thunk.cc',
         'thunk/thunk.h',
       ],
     },
   ],
 }