[inspector] use own version of third_party/inspector_protocol

When Chromium and V8 use the same version of inspector_protocol, any protocol change takes at least 4 patches and 3 waiting for rolls.
To simplify this process we need to have two diffrent versions of inspector_protocol in Chromium and V8. Current state of inspector_protocol was extracted into separate repository [1]. This CL puts last version of inspector_protocol into third_party/inspector_protocol.

[1] https://chromium.googlesource.com/deps/inspector_protocol/

V8 CL: https://codereview.chromium.org/2447323002/


Review-Url: https://codereview.chromium.org/2452853002
Cr-Original-Commit-Position: refs/heads/master@{#428605}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: c8c595193c5d06bb4870c975231aae1f943246f0
31 files changed
tree: 4b825dc642cb6eb9a060e54bf8d69288fbee4904

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