Fix for surfaceless implementation

content/common/gpu/client/gpu_memory_buffer_impl.cc

Index: content/common/gpu/client/gpu_memory_buffer_impl.cc
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl.cc b/content/common/gpu/client/gpu_memory_buffer_impl.cc
index 00a94818b732c971a84deebec29e02612ad35050..b197cca2bced5fa122740938957dc486a2c387fb 100644
--- a/content/common/gpu/client/gpu_memory_buffer_impl.cc
+++ b/content/common/gpu/client/gpu_memory_buffer_impl.cc
@@ -27,6 +27,7 @@ bool GpuMemoryBufferImpl::IsFormatValid(unsigned internalformat) {
   switch (internalformat) {
     case GL_BGRA8_EXT:
     case GL_RGBA8_OES:
+    case GL_RGB8_OES:
       return true;
     default:
       return false;
@@ -49,6 +50,7 @@ size_t GpuMemoryBufferImpl::BytesPerPixel(unsigned internalformat) {
   switch (internalformat) {
     case GL_BGRA8_EXT:
     case GL_RGBA8_OES:
+    case GL_RGB8_OES:
       return 4;
     default:
       NOTREACHED();