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

third_party/WebKit/Source/platform/v8_inspector/V8StringUtil.cpp

 // Copyright 2016 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.
 
 #include "platform/v8_inspector/V8StringUtil.h"
 
 #include "platform/v8_inspector/V8InspectorImpl.h"
 #include "platform/v8_inspector/V8InspectorSessionImpl.h"
 #include "platform/v8_inspector/V8Regex.h"
 
-namespace blink {
+namespace v8_inspector {
 
 namespace {
 
 String16 findMagicComment(const String16& content, const String16& name, bool multiline)
 {
     DCHECK(name.find("=") == String16::kNotFound);
     unsigned length = content.length();
     unsigned nameLength = name.length();
 
     size_t pos = length;
@@ skipping 248 matching lines @@
             if (!propertyValue)
                 return nullptr;
             jsonObject->setValue(toProtocolString(propertyName), std::move(propertyValue));
         }
         return std::move(jsonObject);
     }
     NOTREACHED();
     return nullptr;
 }
 
-} // namespace blink
+} // namespace v8_inspector