DevTools: implement proxy server for hosted mode

third_party/WebKit/Source/devtools/hosted_mode/cache.js

Index: third_party/WebKit/Source/devtools/hosted_mode/cache.js
diff --git a/third_party/WebKit/Source/devtools/hosted_mode/cache.js b/third_party/WebKit/Source/devtools/hosted_mode/cache.js
new file mode 100644
index 0000000000000000000000000000000000000000..1cb6e162c306f956a5481fde3f2f8efdac8df7b7
--- /dev/null
+++ b/third_party/WebKit/Source/devtools/hosted_mode/cache.js
@@ -0,0 +1,35 @@
+var Cache = function()

[lushnikov, 2016/07/22 02:56:21]

inline this all into protocol_files_proxy.js

[chenwilliam, 2016/07/22 17:35:25]

Done.

+{
+    this._data = new Map();
+    this._version = null;
+};
+
+Cache.prototype = {
+
+    setVersion: function(version)
+    {
+        this._version = version;
+    },
+
+    hasFile: function(file)
+    {
+        return this._data.has(this._getKey(file));
+    },
+
+    getFile: function(file)
+    {
+        return this._data.get(this._getKey(file));
+    },
+
+    cacheFile: function(file, data)
+    {
+        this._data.set(this._getKey(file), data);
+    },
+
+    _getKey: function(file)
+    {
+        return `${file}__version:${this._version}`;
+    }
+};
+
+module.exports = Cache;