Printing: Add command line switch to rendering text with GDI.

chrome/common/chrome_switches.cc

 // 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.
 
 #include "chrome/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "printing/features/features.h"
@@ skipping 1165 matching lines @@
 // be a BSD device name of the form "diskN" or "diskNsM".
 const char kRelauncherProcessDMGDevice[]    = "dmg-device";
 
 // Indicates whether Chrome should be set as the default browser during
 // installation.
 const char kMakeChromeDefault[] = "make-chrome-default";
 #endif  // defined(OS_MACOSX)
 
 #if defined(OS_WIN)
 // Disables using GDI to print text as simply text. Fallback to printing text
-// as paths.
+// as paths. Overrides --enable-gdi-text-printing.
 const char kDisableGDITextPrinting[] = "disable-gdi-text-printing";
 
 // Disables per monitor DPI for supported Windows versions.
 // This flag overrides kEnablePerMonitorDpi.
 const char kDisablePerMonitorDpi[]          = "disable-per-monitor-dpi";
 
 // Fallback to XPS. By default connector uses CDD.
 const char kEnableCloudPrintXps[]           = "enable-cloud-print-xps";
 
+// Enables using GDI to print text as simply text.
+const char kEnableGDITextPrinting[] = "enable-gdi-text-printing";
+
 // Enables per monitor DPI for supported Windows versions.
 const char kEnablePerMonitorDpi[]           = "enable-per-monitor-dpi";
 
 // Force-enables the profile shortcut manager. This is needed for tests since
 // they use a custom-user-data-dir which disables this.
 const char kEnableProfileShortcutManager[]  = "enable-profile-shortcut-manager";
 
 // Makes Windows happy by allowing it to show "Enable access to this program"
 // checkbox in Add/Remove Programs->Set Program Access and Defaults. This only
 // shows an error box because the only way to hide Chrome is by uninstalling
@@ skipping 94 matching lines @@
 #endif
 }
 
 #if defined(OS_CHROMEOS)
 bool PowerOverlayEnabled() {
   return base::CommandLine::ForCurrentProcess()->HasSwitch(
       ::switches::kEnablePowerOverlay);
 }
 #endif
 
+#if defined(OS_WIN)
+bool GDITextPrintingEnabled() {
+  const auto& command_line = *base::CommandLine::ForCurrentProcess();
+  if (command_line.HasSwitch(kDisableGDITextPrinting))
+    return false;
+  return command_line.HasSwitch(kEnableGDITextPrinting);
+}
+#endif
+
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR VERY NICE FLAGS TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches