Remove content/browser dependency on WebFontRenderStyle.

content/public/common/child_process_sandbox_support_linux.h

-// Copyright (c) 2012 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.
-
-#ifndef CONTENT_PUBLIC_COMMON_CHILD_PROCESS_SANDBOX_SUPPORT_LINUX_H_
-#define CONTENT_PUBLIC_COMMON_CHILD_PROCESS_SANDBOX_SUPPORT_LINUX_H_
-
-#include <stddef.h>
-#include <stdint.h>
-#include <string>
-
-#include "content/common/content_export.h"
-#include "ppapi/c/trusted/ppb_browser_font_trusted.h"
-
-namespace content {
-
-// Returns a file descriptor for a shared memory segment.  The
-// executable flag indicates that the caller intends to use mprotect
-// with PROT_EXEC after making a mapping, but not that it intends to
-// mmap with PROT_EXEC in the first place.  (Some systems, such as
-// ChromeOS, disallow PROT_EXEC in mmap on /dev/shm files but do allow
-// PROT_EXEC in mprotect on mappings from such files.  This function
-// can yield an object that has that constraint.)
-CONTENT_EXPORT int MakeSharedMemorySegmentViaIPC(size_t length,
-                                                 bool executable);
-
-// Return a read-only file descriptor to the font which best matches the given
-// properties or -1 on failure.
-//   charset: specifies the language(s) that the font must cover. See
-// render_sandbox_host_linux.cc for more information.
-// fallback_family: If not set to PP_BROWSERFONT_TRUSTED_FAMILY_DEFAULT, font
-// selection should fall back to generic Windows font names like Arial and
-// Times New Roman.
-CONTENT_EXPORT int MatchFontWithFallback(
-    const std::string& face,
-    bool bold,
-    bool italic,
-    int charset,
-    PP_BrowserFont_Trusted_Family fallback_family);
-
-// GetFontTable loads a specified font table from an open SFNT file.
-//   fd: a file descriptor to the SFNT file. The position doesn't matter.
-//   table_tag: the table tag in *big-endian* format, or 0 for the entire font.
-//   offset: offset into the table or entire font where loading should start.
-//     The offset must be between 0 and 1 GB - 1.
-//   output: a buffer of size output_length that gets the data.  can be 0, in
-//     which case output_length will be set to the required size in bytes.
-//   output_length: size of output, if it's not 0.
-//
-//   returns: true on success.
-CONTENT_EXPORT bool GetFontTable(int fd, uint32_t table_tag, off_t offset,
-                                 uint8_t* output, size_t* output_length);
-
-};  // namespace content
-
-#endif  // CONTENT_PUBLIC_COMMON_CHILD_PROCESS_SANDBOX_SUPPORT_LINUX_H_