Revert of Adding status to swap complete

content/common/gpu/image_transport_surface.cc

Index: content/common/gpu/image_transport_surface.cc
diff --git a/content/common/gpu/image_transport_surface.cc b/content/common/gpu/image_transport_surface.cc
index 6d2808f1295e695d169663260a8d93d71951ac5f..ac5eb2e7e2c649a5cae7c606e1823c8965d15d3f 100644
--- a/content/common/gpu/image_transport_surface.cc
+++ b/content/common/gpu/image_transport_surface.cc
@@ -187,7 +187,7 @@
     latency_info_.push_back(latency_info[i]);
 }
 
-gfx::SwapResult PassThroughImageTransportSurface::SwapBuffers() {
+bool PassThroughImageTransportSurface::SwapBuffers() {
   // GetVsyncValues before SwapBuffers to work around Mali driver bug:
   // crbug.com/223558.
   SendVSyncUpdateIfAvailable();
@@ -206,16 +206,12 @@
       new std::vector<ui::LatencyInfo>();
   latency_info_ptr->swap(latency_info_);
   return gfx::GLSurfaceAdapter::SwapBuffersAsync(base::Bind(
-             &PassThroughImageTransportSurface::SwapBuffersCallBack,
-             weak_ptr_factory_.GetWeakPtr(), base::Owned(latency_info_ptr)))
-             ? gfx::SwapResult::SWAP_ACK
-             : gfx::SwapResult::SWAP_FAILED;
-}
-
-gfx::SwapResult PassThroughImageTransportSurface::PostSubBuffer(int x,
-                                                                int y,
-                                                                int width,
-                                                                int height) {
+      &PassThroughImageTransportSurface::SwapBuffersCallBack,
+      weak_ptr_factory_.GetWeakPtr(), base::Owned(latency_info_ptr)));
+}
+
+bool PassThroughImageTransportSurface::PostSubBuffer(
+    int x, int y, int width, int height) {
   SendVSyncUpdateIfAvailable();
 
   base::TimeTicks swap_time = base::TimeTicks::Now();
@@ -232,17 +228,14 @@
       new std::vector<ui::LatencyInfo>();
   latency_info_ptr->swap(latency_info_);
   return gfx::GLSurfaceAdapter::PostSubBufferAsync(
-             x, y, width, height,
-             base::Bind(&PassThroughImageTransportSurface::SwapBuffersCallBack,
-                        weak_ptr_factory_.GetWeakPtr(),
-                        base::Owned(latency_info_ptr)))
-             ? gfx::SwapResult::SWAP_ACK
-             : gfx::SwapResult::SWAP_FAILED;
+      x, y, width, height,
+      base::Bind(&PassThroughImageTransportSurface::SwapBuffersCallBack,
+                 weak_ptr_factory_.GetWeakPtr(),
+                 base::Owned(latency_info_ptr)));
 }
 
 void PassThroughImageTransportSurface::SwapBuffersCallBack(
-    std::vector<ui::LatencyInfo>* latency_info_ptr,
-    gfx::SwapResult result) {
+    std::vector<ui::LatencyInfo>* latency_info_ptr) {
   base::TimeTicks swap_ack_time = base::TimeTicks::Now();
   for (auto& latency : *latency_info_ptr) {
     latency.AddLatencyNumberWithTimestamp(
@@ -250,7 +243,7 @@
         swap_ack_time, 1);
   }
 
-  helper_->stub()->SendSwapBuffersCompleted(*latency_info_ptr, result);
+  helper_->stub()->SendSwapBuffersCompleted(*latency_info_ptr);
 }
 
 bool PassThroughImageTransportSurface::OnMakeCurrent(gfx::GLContext* context) {