cc: Add flag to specify to ResourceProvider to always use GMBs

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 74ac83c4d1590f4d2d7026dc7ccbe1deae0796dd..7c557ae362836fa65005d4ce3fb400fea9ff0c4d 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -343,6 +343,10 @@ const char kEnableWebBluetooth[] = "enable-web-bluetooth";
 // Enables TRACE for GL calls in the renderer.
 const char kEnableGpuClientTracing[]        = "enable-gpu-client-tracing";
 
+// Specify that all compositor resources should be backed by GPU memory buffers.
+const char kEnableGpuMemoryBufferCompositorResources[] =
+    "enable-gpu-memory-buffer-compositor-resources";
+
 // Enable GpuMemoryBuffer backed VideoFrames.
 const char kEnableGpuMemoryBufferVideoFrames[] =
     "enable-gpu-memory-buffer-video-frames";