Add command line and flag option to force 2D canvas to use display lists

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 5f856eb6801595f5c5a5379ba44f4136cc751e2e..60ffc596810584c8cea4f018a45c13424f4d734d 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -340,9 +340,13 @@ const char kEnableDeferredImageDecoding[]   = "enable-deferred-image-decoding";
 // Enables delegated renderer.
 const char kEnableDelegatedRenderer[]       = "enable-delegated-renderer";
 
-// Enables display list based 2d canvas implementation.
+// Enables display list based 2d canvas implementation. Options:

[Avi (use Gerrit), 2014/11/19 01:49:01]

s/2d/2D/ ?

[Sergey, 2014/11/19 02:01:18]

2d.
Let is be no 's'.

+//  1. Enable: allow browser to use display lists for 2D canvas (browser makes
+//     decision).
+//  2. Force: browser always uses display lists for 2D canvas.
 const char kEnableDisplayList2dCanvas[]     = "enable-display-list-2d-canvas";
-const char kDisableDisplayList2dCanvas[]     = "disable-display-list-2d-canvas";
+const char kForceDisplayList2dCanvas[]      = "force-display-list-2d-canvas";
+const char kDisableDisplayList2dCanvas[]    = "disable-display-list-2d-canvas";
 
 // Enables restarting interrupted downloads.
 const char kEnableDownloadResumption[]      = "enable-download-resumption";