Remove CreatePlatformFile from content shell.

content/shell/browser/shell_content_browser_client.cc

Index: content/shell/browser/shell_content_browser_client.cc
diff --git a/content/shell/browser/shell_content_browser_client.cc b/content/shell/browser/shell_content_browser_client.cc
index 84c2c976170f3822258e0e97c1d7057b32e2c26b..2aeba64f7ae42da1c6365b180ce0f13bdd1d1f07 100644
--- a/content/shell/browser/shell_content_browser_client.cc
+++ b/content/shell/browser/shell_content_browser_client.cc
@@ -7,6 +7,7 @@
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
+#include "base/files/file.h"
 #include "base/path_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/resource_dispatcher_host.h"
@@ -286,25 +287,25 @@ void ShellContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
   pak_file = pak_file.Append(FILE_PATH_LITERAL("paks"));
   pak_file = pak_file.Append(FILE_PATH_LITERAL("content_shell.pak"));
 
-  base::PlatformFile f =
-      base::CreatePlatformFile(pak_file, flags, NULL, NULL);
-  if (f == base::kInvalidPlatformFileValue) {
+  base::File f(pak_file, flags);
+  if (!f.IsValid()) {
     NOTREACHED() << "Failed to open file when creating renderer process: "
                  << "content_shell.pak";
   }
   mappings->push_back(
       content::FileDescriptorInfo(kShellPakDescriptor,
-                                  base::FileDescriptor(f, true)));
+                                  base::FileDescriptor(f.Pass())));
 
   if (breakpad::IsCrashReporterEnabled()) {
     f = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
         child_process_id);
-    if (f == base::kInvalidPlatformFileValue) {
+    if (!f.IsValid()) {
       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
                  << "be disabled for this process.";
     } else {
-      mappings->push_back(FileDescriptorInfo(kAndroidMinidumpDescriptor,
-                                             base::FileDescriptor(f, true)));
+      mappings->push_back(
+          FileDescriptorInfo(kAndroidMinidumpDescriptor,
+                             base::FileDescriptor(f.Pass())));
     }
   }
 #else  // !defined(OS_ANDROID)