Make channel preemption not require view contexts for hookup

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 14205e8cce3424819f293acff405c4bb5a2fe4be..020905da93bea8bfa1388f73fc5d2c5461ba821a 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -46,7 +46,6 @@
 #include "content/browser/gpu/compositor_util.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
-#include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/browser/media/media_web_contents_observer.h"
 #include "content/browser/renderer_host/compositor_impl_android.h"
 #include "content/browser/renderer_host/dip_util.h"
@@ -1530,17 +1529,6 @@ gfx::Rect RenderWidgetHostViewAndroid::GetBoundsInRootWindow() {
   return GetViewBounds();
 }
 
-gfx::GLSurfaceHandle RenderWidgetHostViewAndroid::GetCompositingSurface() {
-  gfx::GLSurfaceHandle handle =
-      gfx::GLSurfaceHandle(gfx::kNullPluginWindow, gfx::NULL_TRANSPORT);
-  // Null check for when we're running inside content_unittests.
-  if (using_browser_compositor_ && BrowserGpuChannelHostFactory::instance()) {
-    handle.parent_client_id =
-        BrowserGpuChannelHostFactory::instance()->GetGpuChannelId();
-  }
-  return handle;
-}
-
 void RenderWidgetHostViewAndroid::ProcessAckedTouchEvent(
     const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) {
   const bool event_consumed = ack_result == INPUT_EVENT_ACK_STATE_CONSUMED;