Experimental viewport meta tag support for desktop

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"
 
 namespace switches {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
 // have an effect. 0 disables MSAA.
@@ skipping 538 matching lines @@
 const char kEnableThreadedCompositing[]     = "enable-threaded-compositing";
 
 // Enable accelerated overflow scrolling in all cases.
 const char kEnableUniversalAcceleratedOverflowScroll[] =
     "enable-universal-accelerated-overflow-scroll";
 
 // Enable screen capturing support for MediaStream API.
 const char kEnableUserMediaScreenCapturing[] =
     "enable-usermedia-screen-capturing";
 
-// Enables the use of the viewport meta tag, which allows
+// Enables the use of the @viewport CSS rule, which allows
 // pages to control aspects of their own layout. This also turns on touch-screen
 // pinch gestures.
 const char kEnableViewport[]                = "enable-viewport";
 
+// Enables the use of the legacy viewport meta tag. Turning this on also
+// turns on the @viewport CSS rule
+const char kEnableViewportMeta[]            = "enable-viewport-meta";
+
+// Resizes of the main frame are the caused by changing between landscape
+// and portrait mode (i.e. Android) so the page should be rescaled to fit
+const char kMainFrameResizesAreOrientationChanges[] =
+    "main-frame-resizes-are-orientation-changes";
+
 // Enables moving cursor by word in visual order.
 const char kEnableVisualWordMovement[]      = "enable-visual-word-movement";
 
 // Enable the Vtune profiler support.
 const char kEnableVtune[]                   = "enable-vtune-support";
 
 // Enable CSS Transitions / Animations on the Web Animations model.
 const char kEnableWebAnimationsCSS[]        = "enable-web-animations-css";
 
 // Enable SVG Animations on the Web Animations model.
@@ skipping 422 matching lines @@
 #endif
 
 #if defined(OS_POSIX)
 // Causes the child processes to cleanly exit via calling exit().
 const char kChildCleanExit[]                = "child-clean-exit";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches