android webview: allow cc to fail hardware draw

cc/output/output_surface.h

Index: cc/output/output_surface.h
diff --git a/cc/output/output_surface.h b/cc/output/output_surface.h
index bb6a59e7ecde237fe827fcd91af98d53454a34ac..26c2ffebc29199a83f058fbbd11c5feb9314b3d6 100644
--- a/cc/output/output_surface.h
+++ b/cc/output/output_surface.h
@@ -68,7 +68,6 @@ class CC_EXPORT OutputSurface : public base::trace_event::MemoryDumpProvider {
     Capabilities()
         : delegated_rendering(false),
           max_frames_pending(0),
-          draw_and_swap_full_viewport_every_frame(false),
           adjust_deadline_for_parent(true),
           uses_default_gl_framebuffer(true),
           flipped_output_surface(false),
@@ -76,7 +75,6 @@ class CC_EXPORT OutputSurface : public base::trace_event::MemoryDumpProvider {
           delegated_sync_points_required(true) {}
     bool delegated_rendering;
     int max_frames_pending;
-    bool draw_and_swap_full_viewport_every_frame;
     // This doesn't handle the <webview> case, but once BeginFrame is
     // supported natively, we shouldn't need adjust_deadline_for_parent.
     bool adjust_deadline_for_parent;