aw: Avoid livelock bouncing between zero and non-zero memory

android_webview/browser/browser_view_renderer.cc

Index: android_webview/browser/browser_view_renderer.cc
diff --git a/android_webview/browser/browser_view_renderer.cc b/android_webview/browser/browser_view_renderer.cc
index c53081505d10fae594486f9336a97243de958d51..abe802f32014b6f82787d8bd679caa4425c62f7c 100644
--- a/android_webview/browser/browser_view_renderer.cc
+++ b/android_webview/browser/browser_view_renderer.cc
@@ -245,8 +245,6 @@ bool BrowserViewRenderer::OnDrawHardware() {
     TRACE_EVENT_INSTANT0("android_webview", "NoNewFrame",
                          TRACE_EVENT_SCOPE_THREAD);
     hardware_enabled_ = compositor_frame_consumer_->HasFrameOnUI();

[hush (inactive), 2016/05/14 00:33:14]

just return compositor_frame_consumer_->HasFrameOnUI(); here. No need to assign
hardware_enabled.

-    if (!hardware_enabled_)
-      UpdateMemoryPolicy();
     return hardware_enabled_;
   }