cc: zero/one-copy based on shared memory on IOS uses GL_TEXTURE_2D, not GL_TEXTURE_RECTANGLE_ARB.

content/public/common/content_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 "content/public/common/content_switches.h"
 
 #include "base/command_line.h"
 
 namespace switches {
 
@@ skipping 831 matching lines @@
 // Overrides the preferred discardable memory implementation.
 const char kUseDiscardableMemory[] = "use-discardable-memory";
 
 // Bypass the media stream infobar by selecting the default device for media
 // streams (e.g. WebRTC). Works with --use-fake-device-for-media-stream.
 const char kUseFakeUIForMediaStream[]     = "use-fake-ui-for-media-stream";
 
 // Enable native GPU memory buffer support when available.
 const char kEnableNativeGpuMemoryBuffers[] = "enable-native-gpu-memory-buffers";
 
-// Use TEXTURE_EXTERNAL_OES target with CHROMIUM_image extension.
-const char kUseImageExternal[] = "use-image-external";
+// Overrides the default texture target used with CHROMIUM_image extension.
+const char kUseImageTextureTarget[] = "use-image-texture-target";
+
+// Texture backed image requires GL_TEXTURE_RECTANGLE_ARB target.
+const char kImageTextureRectangle[] = "image-texture-rectangle";
+
+// Texture backed image requires GL_TEXTURE_EXTERNAL_OES target.
+const char kImageTextureExternal[] = "image-texture-external";
 
 // Set when Chromium should use a mobile user agent.
 const char kUseMobileUserAgent[] = "use-mobile-user-agent";
 
 // Use the new surfaces system to handle compositor delegation.
 const char kUseSurfaces[] = "use-surfaces";
 
 // On POSIX only: the contents of this flag are prepended to the utility
 // process command line. Useful values might be "valgrind" or "xterm -e gdb
 // --args".
@@ skipping 133 matching lines @@
 #endif
 
 #if defined(ENABLE_PLUGINS)
 // Enables the plugin power saver feature.
 const char kEnablePluginPowerSaver[] = "enable-plugin-power-saver";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches