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

content/browser/gpu/browser_gpu_memory_buffer_manager.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 239 matching lines @@
                      HandleCreateGpuMemoryBufferFromHandleOnIO,
                  base::Unretained(this),  // Safe as we wait for result below.
                  base::Unretained(&request)));
 
   // We're blocking the UI thread, which is generally undesirable.
   TRACE_EVENT0(
       "browser",
       "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);
 }
 
 void BrowserGpuMemoryBufferManager::AllocateGpuMemoryBufferForChildProcess(
     gfx::GpuMemoryBufferId id,
     const gfx::Size& size,
     gfx::BufferFormat format,
     gfx::BufferUsage usage,
     base::ProcessHandle child_process_handle,
     int child_client_id,
@@ skipping 145 matching lines @@
           &BrowserGpuMemoryBufferManager::HandleCreateGpuMemoryBufferOnIO,
           base::Unretained(this),  // Safe as we wait for result below.
           base::Unretained(&request)));
 
   // We're blocking the UI thread, which is generally undesirable.
   TRACE_EVENT0(
       "browser",
       "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);
 }
 
 void BrowserGpuMemoryBufferManager::HandleCreateGpuMemoryBufferOnIO(
     CreateGpuMemoryBufferRequest* request) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   gfx::GpuMemoryBufferId new_id = content::GetNextGenericSharedMemoryId();
 
   // Use service side allocation for native configurations.
@@ skipping 261 matching lines @@
       format(format),
       usage(usage),
       gpu_host_id(gpu_host_id) {}
 
 BrowserGpuMemoryBufferManager::BufferInfo::BufferInfo(const BufferInfo& other) =
     default;
 
 BrowserGpuMemoryBufferManager::BufferInfo::~BufferInfo() {}
 
 }  // namespace content