Change glimage to accept a type.

content/common/gpu/client/gpu_memory_buffer_impl_io_surface.cc

Index: content/common/gpu/client/gpu_memory_buffer_impl_io_surface.cc
diff --git a/content/common/gpu/client/gpu_memory_buffer_impl_io_surface.cc b/content/common/gpu/client/gpu_memory_buffer_impl_io_surface.cc
index 299bd567ce0c4586e77de7ac3e225fc6b0f31230..ee6aa22e4619aae79b3ae4d36c7c927b31d3f073 100644
--- a/content/common/gpu/client/gpu_memory_buffer_impl_io_surface.cc
+++ b/content/common/gpu/client/gpu_memory_buffer_impl_io_surface.cc
@@ -13,7 +13,9 @@ namespace content {
 GpuMemoryBufferImplIOSurface::GpuMemoryBufferImplIOSurface(
     gfx::Size size,
     unsigned internalformat)
-    : GpuMemoryBufferImpl(size, internalformat),
+    : GpuMemoryBufferImpl(size,
+                          internalformat,
+                          gfx::GpuMemoryBuffer::READ_WRITE),
       io_surface_support_(IOSurfaceSupport::Initialize()) {
   CHECK(io_surface_support_);
 }
@@ -52,7 +54,7 @@ bool GpuMemoryBufferImplIOSurface::Initialize(
   return true;
 }
 
-void* GpuMemoryBufferImplIOSurface::Map(AccessMode mode) {
+void* GpuMemoryBufferImplIOSurface::Map() {
   DCHECK(!mapped_);
   io_surface_support_->IOSurfaceLock(io_surface_, 0, NULL);
   mapped_ = true;