Added Pepper 3D render context that instantiates the GPU plugin....

build/common.gypi

 # Copyright (c) 2009 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.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   'variables': {
     # .gyp files should set chromium_code to 1 if they build Chromium-specific
@@ skipping 108 matching lines @@
     # Set to 1 to enable code coverage.  In addition to build changes
     # (e.g. extra CFLAGS), also creates a new target in the src/chrome
     # project file called "coverage".
     # Currently ignored on Windows.
     'coverage%': 0,
 
     # Overridable specification for potential use of alternative
     # JavaScript engines.
     'javascript_engine%': 'v8',
 
-    # Although base/allocator lets you select a heap library via an 
+    # Although base/allocator lets you select a heap library via an
     # environment variable, the libcmt shim it uses sometimes gets in
     # the way.  To disable it entirely, and switch to normal msvcrt, do e.g.
     #  'win_use_allocator_shim': 0,
     #  'win_release_RuntimeLibrary': 2
     # to ~/.gyp/include.gypi, gclient runhooks --force, and do a release build.
     'win_use_allocator_shim%': 1, # 0 = shim allocator via libcmt; 1 = msvcrt
 
     # To do a shared build on linux we need to be able to choose between type
     # static_library and shared_library. We default to doing a static build
     # but you can override this with "gyp -Dlibrary=shared_library" or you
@@ skipping 180 matching lines @@
       }],
       ['toolkit_views==1', {
         'defines': ['TOOLKIT_VIEWS=1'],
       }],
       ['chromeos==1', {
         'defines': ['CHROMEOS_TRANSITIONAL=1'],
       }],
       ['chromeos==1 or toolkit_views==1', {
         'defines': ['OS_CHROMEOS=1'],
       }],
-      ['enable_gpu==1', {
-        'defines': ['ENABLE_GPU=1'],
-      }],
       ['fastbuild!=0', {
         'conditions': [
           # Finally, for Windows, we simply turn on profiling.
           ['OS=="win"', {
             'msvs_settings': {
               'VCLinkerTool': {
                 'GenerateDebugInformation': 'false',
               },
               'VCCLCompilerTool': {
                 'DebugInformationFormat': '0',
               }
             }
          }],  # OS==win
         ],  # conditions for fastbuild.
       }],  # fastbuild!=0
       ['selinux==1', {
         'defines': ['CHROMIUM_SELINUX=1'],
       }],
       ['win_use_allocator_shim==0', {
         'conditions': [
           ['OS=="win"', {
             'defines': ['NO_TCMALLOC'],
           }],
         ],
       }],
+      ['OS=="win"', {
+        'defines': [
+          'ENABLE_GPU=1',
+        ],
+      }],
       ['coverage!=0', {
         'conditions': [
           ['OS=="mac"', {
             'xcode_settings': {
               'GCC_INSTRUMENT_PROGRAM_FLOW_ARCS': 'YES',  # -fprofile-arcs
               'GCC_GENERATE_TEST_COVERAGE_FILES': 'YES',  # -ftest-coverage
             },
             # Add -lgcov for executables and shared_libraries, not for
             # static_libraries.  This is a delayed conditional.
             'target_conditions': [
@@ skipping 132 matching lines @@
         },
         'conditions': [
           ['release_valgrind_build==0', {
             'defines': ['NVALGRIND'],
           }],
           ['win_use_allocator_shim==0', {
             'defines': ['NO_TCMALLOC'],
           }],
           ['win_release_RuntimeLibrary==2', {
             # Visual C++ 2008 barfs when building anything with /MD (msvcrt):
-            #  VC\include\typeinfo(139) : warning C4275: non dll-interface 
-            #  class 'stdext::exception' used as base for dll-interface 
+            #  VC\include\typeinfo(139) : warning C4275: non dll-interface
+            #  class 'stdext::exception' used as base for dll-interface
             #  class 'std::bad_cast'
             'msvs_disabled_warnings': [4275],
           }],
           ['OS=="linux"', {
             'cflags': [
              '<@(release_extra_cflags)',
             ],
           }],
         ],
       },
@@ skipping 619 matching lines @@
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }
 
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