Very basic Android browser-side compositing support.

content/content_browser.gypi

Index: content/content_browser.gypi
diff --git a/content/content_browser.gypi b/content/content_browser.gypi
index 59027a06af151b92f886866dc047797375747780..2de96caf3f1fcb4a2a490997f92b9df00ec84d7f 100644
--- a/content/content_browser.gypi
+++ b/content/content_browser.gypi
@@ -31,10 +31,9 @@
     'port/browser/render_widget_host_view_port.h',
     'port/browser/smooth_scroll_gesture.h',
     'public/browser/access_token_store.h',
+    'public/browser/android/compositor.h',
     'public/browser/android/content_view_core.h',
     'public/browser/android/devtools_auth.h',
-    'public/browser/android/draw_delegate.h',
-    'public/browser/android/graphics_context.h',
     'public/browser/browser_accessibility_state.h',
     'public/browser/browser_child_process_host.h',
     'public/browser/browser_child_process_host_delegate.cc',
@@ -213,8 +212,7 @@
     'browser/android/download_controller.cc',
     'browser/android/download_controller.h',
     'browser/android/devtools_auth.cc',
-    'browser/android/draw_delegate_impl.h',
-    'browser/android/draw_delegate_impl.cc',
+    'browser/android/graphics_context.h',
     'browser/android/graphics_context.cc',
     'browser/android/ime_utils.cc',
     'browser/android/ime_utils.h',
@@ -523,6 +521,8 @@
     'browser/renderer_host/clipboard_message_filter.cc',
     'browser/renderer_host/clipboard_message_filter.h',
     'browser/renderer_host/clipboard_message_filter_mac.mm',
+    'browser/renderer_host/compositor_impl_android.h',
+    'browser/renderer_host/compositor_impl_android.cc',
     'browser/renderer_host/compositing_iosurface_mac.h',
     'browser/renderer_host/compositing_iosurface_mac.mm',
     'browser/renderer_host/cross_site_resource_handler.cc',