Removing "using" declarations that import names in the C++ Standard library.

Source/web/WebDevToolsAgentImpl.cpp

Index: Source/web/WebDevToolsAgentImpl.cpp
diff --git a/Source/web/WebDevToolsAgentImpl.cpp b/Source/web/WebDevToolsAgentImpl.cpp
index 758f632575f848ab9878b63715a24ec3f801db6a..6a8ef9ec789252b97417bf341d717d446cbc630d 100644
--- a/Source/web/WebDevToolsAgentImpl.cpp
+++ b/Source/web/WebDevToolsAgentImpl.cpp
@@ -75,7 +75,6 @@
 #include "wtf/text/WTFString.h"
 
 using namespace WebCore;
-using namespace std;
 
 namespace OverlayZOrders {
 // Use 99 as a big z-order number so that highlight is above other overlays.
@@ -454,13 +453,13 @@ void WebDevToolsAgentImpl::getAllocatedObjects(HashSet<const void*>& set)
             ++m_totalObjectsCount;
             return true;
         }
-        size_t totalObjectsCount() const
+        std::size_t totalObjectsCount() const
         {
             return m_totalObjectsCount;
         }
 
     private:
-        size_t m_totalObjectsCount;
+        std::size_t m_totalObjectsCount;
     };
 
     CountingVisitor counter;
@@ -468,7 +467,7 @@ void WebDevToolsAgentImpl::getAllocatedObjects(HashSet<const void*>& set)
 
     class PointerCollector : public WebDevToolsAgentClient::AllocatedObjectVisitor {
     public:
-        explicit PointerCollector(size_t maxObjectsCount)
+        explicit PointerCollector(std::size_t maxObjectsCount)
             : m_maxObjectsCount(maxObjectsCount)
             , m_index(0)
             , m_success(true)
@@ -493,20 +492,20 @@ void WebDevToolsAgentImpl::getAllocatedObjects(HashSet<const void*>& set)
 
         void copyTo(HashSet<const void*>& set)
         {
-            for (size_t i = 0; i < m_index; i++)
+            for (std::size_t i = 0; i < m_index; i++)
                 set.add(m_pointers[i]);
         }
 
     private:
-        const size_t m_maxObjectsCount;
-        size_t m_index;
+        const std::size_t m_maxObjectsCount;
+        std::size_t m_index;
         bool m_success;
         const void** m_pointers;
     };
 
     // Double size to allow room for all objects that may have been allocated
     // since we counted them.
-    size_t estimatedMaxObjectsCount = counter.totalObjectsCount() * 2;
+    std::size_t estimatedMaxObjectsCount = counter.totalObjectsCount() * 2;
     while (true) {
         PointerCollector collector(estimatedMaxObjectsCount);
         m_client->visitAllocatedObjects(&collector);
@@ -518,19 +517,19 @@ void WebDevToolsAgentImpl::getAllocatedObjects(HashSet<const void*>& set)
     }
 }
 
-void WebDevToolsAgentImpl::dumpUncountedAllocatedObjects(const HashMap<const void*, size_t>& map)
+void WebDevToolsAgentImpl::dumpUncountedAllocatedObjects(const HashMap<const void*, std::size_t>& map)
 {
     class InstrumentedObjectSizeProvider : public WebDevToolsAgentClient::InstrumentedObjectSizeProvider {
     public:
-        InstrumentedObjectSizeProvider(const HashMap<const void*, size_t>& map) : m_map(map) { }
-        virtual size_t objectSize(const void* ptr) const
+        InstrumentedObjectSizeProvider(const HashMap<const void*, std::size_t>& map) : m_map(map) { }
+        virtual std::size_t objectSize(const void* ptr) const
         {
-            HashMap<const void*, size_t>::const_iterator i = m_map.find(ptr);
+            HashMap<const void*, std::size_t>::const_iterator i = m_map.find(ptr);
             return i == m_map.end() ? 0 : i->value;
         }
 
     private:
-        const HashMap<const void*, size_t>& m_map;
+        const HashMap<const void*, std::size_t>& m_map;
     };
 
     InstrumentedObjectSizeProvider provider(map);
@@ -679,7 +678,7 @@ void WebDevToolsAgentImpl::flushPendingFrontendMessages()
     InspectorController* ic = inspectorController();
     ic->flushPendingFrontendMessages();
 
-    for (size_t i = 0; i < m_frontendMessageQueue.size(); ++i)
+    for (std::size_t i = 0; i < m_frontendMessageQueue.size(); ++i)
         m_client->sendMessageToInspectorFrontend(m_frontendMessageQueue[i]->toJSONString());
     m_frontendMessageQueue.clear();
 }