Re-land: content: Enable one-copy tile updates on Android.

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 2fde50145d3f630f694dd6ff980a241008ce612a..9750f3115b458205ec351af1b9d4d9ee11c835c1 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -199,7 +199,6 @@ const char kDisableNativeGpuMemoryBuffers[] =
 const char kDisableNotifications[]          = "disable-notifications";
 
 // Disable rasterizer that writes directly to GPU memory.
-// Overrides the kEnableOneCopy flag.
 const char kDisableOneCopy[]                = "disable-one-copy";
 
 // Disable Pepper3D.
@@ -383,9 +382,6 @@ const char kEnableMemoryBenchmarking[]      = "enable-memory-benchmarking";
 // Enables the network information API.
 const char kEnableNetworkInformation[]      = "enable-network-information";
 
-// Enable rasterizer that writes directly to GPU memory.
-const char kEnableOneCopy[]                 = "enable-one-copy";
-
 // Enables use of hardware overlay for fullscreen video playback. Android only.
 // TODO(watk): Remove this once blink is updated to pass
 // kForceOverlayFullscreenVideo for layout tests. http://crbug.com/511376