Revert 248827 "android: Migrate old content readback to use asyn..."

trunk/src/content/browser/renderer_host/render_widget_host_view_android.h

Index: trunk/src/content/browser/renderer_host/render_widget_host_view_android.h
===================================================================
--- trunk/src/content/browser/renderer_host/render_widget_host_view_android.h	(revision 248975)
+++ trunk/src/content/browser/renderer_host/render_widget_host_view_android.h	(working copy)
@@ -224,10 +224,7 @@
 
   void WasResized();
 
-  void GetScaledContentBitmap(
-      float scale,
-      gfx::Size* out_size,
-      const base::Callback<void(bool, const SkBitmap&)>& result_callback);
+  blink::WebGLId GetScaledContentTexture(float scale, gfx::Size* out_size);
   bool PopulateBitmapWithContents(jobject jbitmap);
 
   bool HasValidFrame() const;
@@ -299,7 +296,11 @@
   // Used to track whether this render widget needs a BeginFrame.
   bool needs_begin_frame_;
 
-  bool is_showing_;
+  // Whether or not this widget is potentially attached to the view hierarchy.
+  // This view may not actually be attached if this is true, but it should be
+  // treated as such, because as soon as a ContentViewCore is set the layer
+  // will be attached automatically.
+  bool are_layers_attached_;
 
   // ContentViewCoreImpl is our interface to the view system.
   ContentViewCoreImpl* content_view_core_;