[wip] Kill GPU if the memory buffer cannot be used as advertised.

content/browser/gpu/browser_gpu_memory_buffer_manager.cc

Index: content/browser/gpu/browser_gpu_memory_buffer_manager.cc
diff --git a/content/browser/gpu/browser_gpu_memory_buffer_manager.cc b/content/browser/gpu/browser_gpu_memory_buffer_manager.cc
index 718c009e44346e6bd7a0928aa4678b5ceca77aef..fcd1a8d4e951afd81269df3b8e8d6a9b11958c06 100644
--- a/content/browser/gpu/browser_gpu_memory_buffer_manager.cc
+++ b/content/browser/gpu/browser_gpu_memory_buffer_manager.cc
@@ -257,6 +257,11 @@ BrowserGpuMemoryBufferManager::CreateGpuMemoryBufferFromHandle(
       "BrowserGpuMemoryBufferManager::CreateGpuMemoryBufferFromHandle");
   base::ThreadRestrictions::ScopedAllowWait allow_wait;
   request.event.Wait();
+  if (!request.result) {
+    GpuProcessHost* host = GpuProcessHost::FromID(gpu_host_id_);
+    if (host)
+      host->ForceShutdown();
+  }
   return std::move(request.result);
 }
 
@@ -422,6 +427,11 @@ BrowserGpuMemoryBufferManager::AllocateGpuMemoryBufferForSurface(
       "BrowserGpuMemoryBufferManager::AllocateGpuMemoryBufferForSurface");
   base::ThreadRestrictions::ScopedAllowWait allow_wait;
   request.event.Wait();
+  if (!request.result) {
+    GpuProcessHost* host = GpuProcessHost::FromID(gpu_host_id_);
+    if (host)
+      host->ForceShutdown();
+  }
   return std::move(request.result);
 }