Extension Toolbar redesign, part 1 (overflow)

chrome/common/extensions/manifest_handlers/synthesize_browser_action_handler.h

+// 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.
+
+#ifndef CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_SYNTHESIZE_BROWSER_ACTION_HANDLER_H_
+#define CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_SYNTHESIZE_BROWSER_ACTION_HANDLER_H_
+
+#include <string>
+
+#include "extensions/common/manifest_handler.h"
+
+namespace extensions {
+
+// Ensures that an extension that doesn't specify any icon in its manifest, gets
+// a browser action icon, that we can hang UI off of.
+// TODO(finnur): Combine the logic, as suggested in review 324393002.
+class SynthesizeBrowserActionHandler : public ManifestHandler {
+ public:
+  SynthesizeBrowserActionHandler();
+  virtual ~SynthesizeBrowserActionHandler();
+
+  virtual bool Parse(Extension* extension, base::string16* error) OVERRIDE;
+  virtual bool AlwaysParseForType(Manifest::Type type) const OVERRIDE;
+
+ private:
+  virtual const std::vector<std::string> Keys() const OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(SynthesizeBrowserActionHandler);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_SYNTHESIZE_BROWSER_ACTION_HANDLER_H_