[DevTools] Generate separate copies of inspector_protocol.

third_party/WebKit/Source/platform/inspector_protocol/Collections_h.template

Index: third_party/WebKit/Source/platform/inspector_protocol/Collections_h.template
diff --git a/third_party/WebKit/Source/platform/inspector_protocol/Collections_h.template b/third_party/WebKit/Source/platform/inspector_protocol/Collections_h.template
index a89bef413811e3af764275a5c6b6c788479d74a0..91675cbc43bfa792e916e3aa188c573d817a9bca 100644
--- a/third_party/WebKit/Source/platform/inspector_protocol/Collections_h.template
+++ b/third_party/WebKit/Source/platform/inspector_protocol/Collections_h.template
@@ -2,36 +2,41 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef Collections_h
-#define Collections_h
+#ifndef {{"_".join(config.protocol.namespace)}}_Collections_h
+#define {{"_".join(config.protocol.namespace)}}_Collections_h
 
+#include "{{config.protocol.package}}/Forward.h"
 #include <cstddef>
 
 #if defined(__APPLE__) && !defined(_LIBCPP_VERSION)
 #include <map>
 #include <set>
 
-namespace blink {
-namespace protocol {
+{% for namespace in config.protocol.namespace %}
+namespace {{namespace}} {
+{% endfor %}
 
 template <class Key, class T> using HashMap = std::map<Key, T>;
 template <class Key> using HashSet = std::set<Key>;
 
-} // namespace protocol
-} // namespace blink
+{% for namespace in config.protocol.namespace %}
+} // namespace {{namespace}}
+{% endfor %}
 
 #else
 #include <unordered_map>
 #include <unordered_set>
 
-namespace blink {
-namespace protocol {
+{% for namespace in config.protocol.namespace %}
+namespace {{namespace}} {
+{% endfor %}
 
 template <class Key, class T> using HashMap = std::unordered_map<Key, T>;
 template <class Key> using HashSet = std::unordered_set<Key>;
 
-} // namespace protocol
-} // namespace blink
+{% for namespace in config.protocol.namespace %}
+} // namespace {{namespace}}
+{% endfor %}
 
 #endif // defined(__APPLE__) && !defined(_LIBCPP_VERSION)
 
@@ -43,4 +48,4 @@ template<typename T> char (&ArrayLengthHelperFunction(T (&)[0]))[0];
 #endif
 #define PROTOCOL_ARRAY_LENGTH(array) sizeof(::ArrayLengthHelperFunction(array))
 
-#endif // !defined(Collections_h)
+#endif // !defined({{"_".join(config.protocol.namespace)}}_Collections_h)