Add calls to inform gpu of browser window count

content/browser/gpu/gpu_data_manager_impl.cc

Index: content/browser/gpu/gpu_data_manager_impl.cc
diff --git a/content/browser/gpu/gpu_data_manager_impl.cc b/content/browser/gpu/gpu_data_manager_impl.cc
index 07a59531f14b87934fade2c3cda0e0e229655735..e4b379ad8ae5fa8e522d84931e5a7c00d8f62bb3 100644
--- a/content/browser/gpu/gpu_data_manager_impl.cc
+++ b/content/browser/gpu/gpu_data_manager_impl.cc
@@ -285,6 +285,13 @@ void GpuDataManagerImpl::RemoveObserver(GpuDataManagerObserver* observer) {
   observer_list_->RemoveObserver(observer);
 }
 
+void GpuDataManagerImpl::SetWindowCount(uint32 count) {
+  GpuProcessHost::SendOnIO(
+      GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
+      content::CAUSE_FOR_GPU_LAUNCH_NO_LAUNCH,
+      new GpuMsg_SetVideoMemoryWindowCount(count));
+}
+
 void GpuDataManagerImpl::AppendRendererCommandLine(
     CommandLine* command_line) const {
   DCHECK(command_line);