Implementations of SharedWorker in the renderer process.
In this CL I introduce 2 classes (EmbeddedSharedWorkerDevToolsAgent, EmbeddedSharedWorkerStub).
EmbeddedSharedWorkerStub and EmbeddedSharedWorkerDevToolsAgent are almost same as WebSharedWorkerStub and SharedWorkerDevToolsAgent which are used in the worker process now.
These classes are not used yet.
EmbeddedSharedWorkerStub will be created when CreateWorker message is received by RenderThreadImpl.
In this CL I move shared_worker_devtools_agent.* from content/worker/ to content/child/ because I want use it from content/renderer/shared_worker.
BUG=327256
Review URL: https://codereview.chromium.org/158953008
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251335 0039d316-1c4b-4281-b951-d872f2087c98
9 files changed
