(Re-landing http://codereview.chromium.org/5991003)

chrome/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2010 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "chrome/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 573 matching lines @@
                                     field_trial_states);
   }
 
   BrowserChildProcessHost::SetCrashReporterCommandLine(command_line);
 
   FilePath user_data_dir =
       browser_command_line.GetSwitchValuePath(switches::kUserDataDir);
   if (!user_data_dir.empty())
     command_line->AppendSwitchPath(switches::kUserDataDir, user_data_dir);
 #if defined(OS_CHROMEOS)
-  const std::string& profile =
+  const std::string& login_profile =
       browser_command_line.GetSwitchValueASCII(switches::kLoginProfile);
-  if (!profile.empty())
-    command_line->AppendSwitchASCII(switches::kLoginProfile, profile);
+  if (!login_profile.empty())
+    command_line->AppendSwitchASCII(switches::kLoginProfile, login_profile);
 #endif
+
+  PrefService* prefs = profile()->GetPrefs();
+  // Currently this pref is only registered if applied via a policy.
+  if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
+      prefs->GetBoolean(prefs::kDisable3DAPIs)) {
+    // Turn this policy into a command line switch.
+    command_line->AppendSwitch(switches::kDisable3DAPIs);
+  }
 }
 
 void BrowserRenderProcessHost::PropagateBrowserCommandLineToRenderer(
     const CommandLine& browser_cmd,
     CommandLine* renderer_cmd) const {
   // Propagate the following switches to the renderer command line (along
   // with any associated values) if present in the browser command line.
   static const char* const kSwitchNames[] = {
     switches::kRendererAssertTest,
 #if !defined(OFFICIAL_BUILD)
@@ skipping 82 matching lines @@
     switches::kBlockNonSandboxedPlugins,
     switches::kBlockOutdatedPlugins,
     switches::kEnableRemoting,
     switches::kEnableClickToPlay,
     switches::kEnableResourceContentSettings,
     switches::kPrelaunchGpuProcess,
     switches::kEnableAcceleratedDecoding,
     switches::kDisableFileSystem,
     switches::kPpapiOutOfProcess,
     switches::kEnablePrintPreview,
-    switches::kEnableCrxlessWebApps
+    switches::kEnableCrxlessWebApps,
+    switches::kDisable3DAPIs
   };
   renderer_cmd->CopySwitchesFrom(browser_cmd, kSwitchNames,
                                  arraysize(kSwitchNames));
 
   // Disable databases in incognito mode.
   if (profile()->IsOffTheRecord() &&
       !browser_cmd.HasSwitch(switches::kDisableDatabases)) {
     renderer_cmd->AppendSwitch(switches::kDisableDatabases);
   }
 
@@ skipping 577 matching lines @@
     IPC::PlatformFileForTransit file;
 #if defined(OS_POSIX)
     file = base::FileDescriptor(model_file, false);
 #elif defined(OS_WIN)
     ::DuplicateHandle(::GetCurrentProcess(), model_file, GetHandle(), &file, 0,
                       false, DUPLICATE_SAME_ACCESS);
 #endif
     Send(new ViewMsg_SetPhishingModel(file));
   }
 }