blink: Reduce the size of security_context.h.

security_context.h is used in 3,100+ compilation units, and this CL
reduces its pre-processed size from 3.10MB to 1.74MB.

Bug: 242216
Change-Id: I0fe6dd82eea775853cfe23377f2803bd0f90b069
Reviewed-on: https://chromium-review.googlesource.com/1119613
Reviewed-by: Takayoshi Kochi <kochi@chromium.org>
Commit-Queue: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#571404}
1 file changed