Allow textures to be moved from one GL context group to another.

gpu/command_buffer/build_gles2_cmd_buffer.py

Index: gpu/command_buffer/build_gles2_cmd_buffer.py
===================================================================
--- gpu/command_buffer/build_gles2_cmd_buffer.py	(revision 132415)
+++ gpu/command_buffer/build_gles2_cmd_buffer.py	(working copy)
@@ -860,6 +860,15 @@
     'gl_test_func': 'glClearDepth',
   },
   'ColorMask': {'decoder_func': 'DoColorMask', 'expectation': False},
+  'ConsumeTextureCHROMIUM': {
+    'decoder_func': 'DoConsumeTextureCHROMIUM',
+    'type': 'PUT',
+    'data_type': 'GLint',
+    'count': 32,
+    'unit_test': False,
+    'extension': True,
+    'chromium': True,
+  },
   'ClearStencil': {'decoder_func': 'DoClearStencil'},
   'EnableFeatureCHROMIUM': {
     'type': 'Custom',
@@ -1276,6 +1285,15 @@
       'extension': True,
       'chromium': True,
   },
+  'ProduceTextureCHROMIUM': {
+    'decoder_func': 'DoProduceTextureCHROMIUM',
+    'type': 'PUT',
+    'data_type': 'GLint',
+    'count': 32,
+    'unit_test': False,
+    'extension': True,
+    'chromium': True,
+  },
   'RenderbufferStorage': {
     'decoder_func': 'DoRenderbufferStorage',
     'gl_test_func': 'glRenderbufferStorageEXT',