[DevTools] Move platform/v8_inspector classes under v8_inspector namespace.

third_party/WebKit/Source/platform/v8_inspector/V8StackTraceImpl.h

Index: third_party/WebKit/Source/platform/v8_inspector/V8StackTraceImpl.h
diff --git a/third_party/WebKit/Source/platform/v8_inspector/V8StackTraceImpl.h b/third_party/WebKit/Source/platform/v8_inspector/V8StackTraceImpl.h
index eb937098641b9f4527810a46b153906df8514fa2..25ad3ab09d6120bb8d1c1105a68b2aec7b4c1ae9 100644
--- a/third_party/WebKit/Source/platform/v8_inspector/V8StackTraceImpl.h
+++ b/third_party/WebKit/Source/platform/v8_inspector/V8StackTraceImpl.h
@@ -11,11 +11,13 @@
 
 #include <vector>
 
-namespace blink {
+namespace v8_inspector {
 
 class TracedValue;
 class V8Debugger;
 
+namespace protocol = blink::protocol;
+
 // Note: async stack trace may have empty top stack with non-empty tail to indicate
 // that current native-only state had some async story.
 // On the other hand, any non-top async stack is guaranteed to be non-empty.
@@ -79,6 +81,6 @@ private:
     std::unique_ptr<V8StackTraceImpl> m_parent;
 };
 
-} // namespace blink
+} // namespace v8_inspector
 
 #endif // V8StackTraceImpl_h