Expose the WebGraphicsContext3D for Android

content/public/browser/android/compositor.h

Index: content/public/browser/android/compositor.h
diff --git a/content/public/browser/android/compositor.h b/content/public/browser/android/compositor.h
index 9019e4776ba3d7ba56a878e41ea89d858398962a..418172e49c4b2240357b8dec76fe1d44087a68ea 100644
--- a/content/public/browser/android/compositor.h
+++ b/content/public/browser/android/compositor.h
@@ -10,6 +10,12 @@
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
+#include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
+
+namespace gfx {
+class JavaBitmap;
+}
+
 namespace WebKit {
 class WebLayer;
 }
@@ -48,6 +54,20 @@ class Compositor {
 
   virtual void OnSurfaceUpdated(const SurfacePresentedCallback& callback) = 0;
 
+  // Generates an OpenGL texture and returns a texture handle.  May return 0
+  // if the current context is lost.
+  virtual WebKit::WebGLId GenerateTexture(gfx::JavaBitmap& bitmap) = 0;
+
+  // Generates an OpenGL compressed texture and returns a texture handle.  May
+  // return 0 if the current context is lost.
+  virtual WebKit::WebGLId GenerateCompressedTexture(gfx::Size& size,
+                                                    int data_size,
+                                                    void* data) = 0;
+
+  // Deletes an OpenGL texture.  Returns true if the texture could be deleted,
+  // or false if the texture could not be deleted due to a lost context.

[no sievers, 2012/10/12 22:45:56]

I think it maybe be hard to guarantee without a sync flush that the commands
landed. It might be easier to handle it internally and not burden the caller
with trying to delete it again, i.e. just make this return void instead.

[David Trainor- moved to gerrit, 2012/10/15 19:01:56]

Done.

+  virtual bool DeleteTexture(WebKit::WebGLId texture_id) = 0;
+
  protected:
   Compositor() {}
 };