Rename WebKit namespace to blink

Source/web/painting/PaintAggregator.cpp

Index: Source/web/painting/PaintAggregator.cpp
diff --git a/Source/web/painting/PaintAggregator.cpp b/Source/web/painting/PaintAggregator.cpp
index 7093ae40c188da2c1a05f641ce23fbf4ec14b7d6..53a8a356fdf9104f511fe36210ec0ed5715ccb89 100644
--- a/Source/web/painting/PaintAggregator.cpp
+++ b/Source/web/painting/PaintAggregator.cpp
@@ -33,7 +33,7 @@
 #include "public/platform/Platform.h"
 using namespace WebCore;
 
-namespace WebKit {
+namespace blink {
 
 // ----------------------------------------------------------------------------
 // ALGORITHM NOTES
@@ -235,7 +235,7 @@ void PaintAggregator::invalidateRect(const IntRect& rect)
     // with all existing paints, which means that tracking the size of
     // paintRects at the time when popPendingUpdate() is called may mask
     // certain performance problems.
-    WebKit::Platform::current()->histogramCustomCounts("MPArch.RW_IntermediatePaintRectCount",
+    blink::Platform::current()->histogramCustomCounts("MPArch.RW_IntermediatePaintRectCount",
                                           m_update.paintRects.size(), 1, 100, 50);
 }
 
@@ -368,4 +368,4 @@ void PaintAggregator::combinePaintRects()
     }
 }
 
-} // namespace WebKit
+} // namespace blink