Add DriverBugWorkaroundsInGpuProcessPage to gpu_process_test.py

content/common/gpu/gpu_channel.cc

Index: content/common/gpu/gpu_channel.cc
diff --git a/content/common/gpu/gpu_channel.cc b/content/common/gpu/gpu_channel.cc
index c79d20151fffb4c6f34bc9755f0bf04a250d9774..e081d4f39c54f16fe558fbfbc9ca6011ca7d27df 100644
--- a/content/common/gpu/gpu_channel.cc
+++ b/content/common/gpu/gpu_channel.cc
@@ -760,6 +760,8 @@ bool GpuChannel::OnControlMessageReceived(const IPC::Message& msg) {
                         OnCreateCommandBuffer)
     IPC_MESSAGE_HANDLER(GpuChannelMsg_DestroyCommandBuffer,
                         OnDestroyCommandBuffer)
+    IPC_MESSAGE_HANDLER(GpuChannelMsg_GetDriverBugWorkArounds,

[palmer, 2016/04/01 19:19:54]

Do we need this in all builds, including production? If not, maybe we can guard
it with an #ifdef or otherwise keep it out of production builds. But if you do
need it, OK. Just checking.

[piman, 2016/04/01 20:26:22]

It needs to be in the binary for any configuration we test, but it could be
behind a command-line flag. Are you specifically concerned about security, or
binary size?

+                        OnGetDriverBugWorkArounds)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -978,6 +980,22 @@ void GpuChannel::OnDestroyCommandBuffer(int32_t route_id) {
   RemoveRoute(route_id);
 }
 
+void GpuChannel::OnGetDriverBugWorkArounds(
+    std::vector<std::string>* gpu_driver_bug_workarounds) {
+  // TODO(j.isorce): Do the extraction of workarounds in GpuChannelManager's

[palmer, 2016/04/01 19:19:54]

Please attach a crbug.com link to all TODOs.

+  // constructor. Currently it is done in FeatureInfo constructor. There is no
+  // need to extract them from the command-line every time a new FeatureInfo is
+  // created (i.e. per ContextGroup) since parsing result is a constant.
+  scoped_refptr<gpu::gles2::FeatureInfo> feature_info =
+      new gpu::gles2::FeatureInfo;
+  gpu_driver_bug_workarounds->clear();
+#define GPU_OP(type, name)              \
+  if (feature_info->workarounds().name) \
+    gpu_driver_bug_workarounds->push_back(#name);
+  GPU_DRIVER_BUG_WORKAROUNDS(GPU_OP)
+#undef GPU_OP
+}
+
 void GpuChannel::CacheShader(const std::string& key,
                              const std::string& shader) {
   gpu_channel_manager_->delegate()->StoreShaderToDisk(client_id_, key, shader);