gpu: Add GpuFence framework.

gpu/command_buffer/client/gles2_c_lib_autogen.h

Index: gpu/command_buffer/client/gles2_c_lib_autogen.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index 934fe97620c497c8503d85086922ab2e5690f234..572cc9ab2021e7d4c5156702ede161fa2d1521de 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -1321,6 +1321,12 @@ GLES2CreateGpuMemoryBufferImageCHROMIUM(GLsizei width,
   return gles2::GetGLContext()->CreateGpuMemoryBufferImageCHROMIUM(
       width, height, internalformat, usage);
 }
+GLuint GL_APIENTRY GLES2CreateFenceCHROMIUM(ClientFence fence) {
+  return gles2::GetGLContext()->CreateFenceCHROMIUM(fence);
+}
+void GL_APIENTRY GLES2DestroyFenceCHROMIUM(GLuint fence_id) {
+  gles2::GetGLContext()->DestroyFenceCHROMIUM(fence_id);
+}
 void GL_APIENTRY GLES2DescheduleUntilFinishedCHROMIUM() {
   gles2::GetGLContext()->DescheduleUntilFinishedCHROMIUM();
 }
@@ -2724,6 +2730,14 @@ extern const NameToFunc g_gles2_function_table[] = {
             glCreateGpuMemoryBufferImageCHROMIUM),
     },
     {
+        "glCreateFenceCHROMIUM",
+        reinterpret_cast<GLES2FunctionPointer>(glCreateFenceCHROMIUM),
+    },
+    {
+        "glDestroyFenceCHROMIUM",
+        reinterpret_cast<GLES2FunctionPointer>(glDestroyFenceCHROMIUM),
+    },
+    {
         "glDescheduleUntilFinishedCHROMIUM",
         reinterpret_cast<GLES2FunctionPointer>(
             glDescheduleUntilFinishedCHROMIUM),