Add GpuSurfaceTracker::SetNativeWidget() method.

This allows renderer-side compositor contexts to create
native EGL surfaces when running kInProcessGpu (i.e.
the window handle is set for the RWHV's surface).
Essentially, this allows for creating SurfaceTexture producer
contexts on Android.

Review URL: https://codereview.chromium.org/11336040

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@165385 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 11 insertions, 0 deletions

diff --git a/content/browser/gpu/gpu_surface_tracker.cc b/content/browser/gpu/gpu_surface_tracker.cc
index e117ee2..dd451ef 100644
--- a/content/browser/gpu/gpu_surface_tracker.cc
+++ b/content/browser/gpu/gpu_surface_tracker.cc
@@ -107,4 +107,12 @@ gfx::AcceleratedWidget GpuSurfaceTracker::GetNativeWidget(int surface_id) {
   return it->second.native_widget;
 }
 
+void GpuSurfaceTracker::SetNativeWidget(
+    int surface_id, gfx::AcceleratedWidget widget) {
+  base::AutoLock lock(lock_);
+  SurfaceMap::iterator it = surface_map_.find(surface_id);
+  DCHECK(it != surface_map_.end());
+  it->second.native_widget = widget;
+}
+
 }  // namespace content
diff --git a/content/browser/gpu/gpu_surface_tracker.h b/content/browser/gpu/gpu_surface_tracker.h
index 44735e8..cf36b72 100644
--- a/content/browser/gpu/gpu_surface_tracker.h
+++ b/content/browser/gpu/gpu_surface_tracker.h
@@ -61,6 +61,9 @@ class GpuSurfaceTracker : public GpuSurfaceLookup {
   // Note: This is an O(log N) lookup.
   void SetSurfaceHandle(int surface_id, const gfx::GLSurfaceHandle& handle);
 
+  // Sets the native widget associated with the surface_id.
+  void SetNativeWidget(int surface_id, gfx::AcceleratedWidget widget);
+
   // Gets the native handle for the given surface.
   // Note: This is an O(log N) lookup.
   gfx::GLSurfaceHandle GetSurfaceHandle(int surface_id);