gpu: Add CHROMIUM_copy_image extension.

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 8c58cb0b64d65d58f526b088c76f75b6e9ed56ec..73dd3755ef44967ddcb7f0798f94022f1797d207 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -1426,6 +1426,20 @@ void GL_APIENTRY GLES2BindTexImage2DCHROMIUM(GLenum target,
 void GL_APIENTRY GLES2ReleaseTexImage2DCHROMIUM(GLenum target, GLint imageId) {
   gles2::GetGLContext()->ReleaseTexImage2DCHROMIUM(target, imageId);
 }
+void GL_APIENTRY GLES2CopyImageSubDataCHROMIUM(GLint source_image_id,
+                                               GLint dest_texture_id,
+                                               GLint xoffset,
+                                               GLint yoffset,
+                                               GLint x,
+                                               GLint y,
+                                               GLsizei width,
+                                               GLsizei height,
+                                               GLint in_fence_id,
+                                               GLint out_fence_id) {
+  gles2::GetGLContext()->CopyImageSubDataCHROMIUM(
+      source_image_id, dest_texture_id, xoffset, yoffset, x, y, width, height,
+      in_fence_id, out_fence_id);
+}
 void GL_APIENTRY GLES2TraceBeginCHROMIUM(const char* category_name,
                                          const char* trace_name) {
   gles2::GetGLContext()->TraceBeginCHROMIUM(category_name, trace_name);
@@ -2811,6 +2825,10 @@ extern const NameToFunc g_gles2_function_table[] = {
         reinterpret_cast<GLES2FunctionPointer>(glReleaseTexImage2DCHROMIUM),
     },
     {
+        "glCopyImageSubDataCHROMIUM",
+        reinterpret_cast<GLES2FunctionPointer>(glCopyImageSubDataCHROMIUM),
+    },
+    {
         "glTraceBeginCHROMIUM",
         reinterpret_cast<GLES2FunctionPointer>(glTraceBeginCHROMIUM),
     },