Removing "using" declarations that import names in the C++ Standard library.(Source/platform/[geome…

Source/platform/graphics/gpu/DrawingBuffer.cpp

 /*
  * Copyright (c) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 29 matching lines @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebCompositorSupport.h"
 #include "public/platform/WebExternalBitmap.h"
 #include "public/platform/WebExternalTextureLayer.h"
 #include "public/platform/WebGraphicsContext3D.h"
 #include "public/platform/WebGraphicsContext3DProvider.h"
 #ifndef NDEBUG
 #include "wtf/RefCountedLeakCounter.h"
 #endif
 
-using namespace std;
-
 namespace blink {
 
 namespace {
 // Global resource ceiling (expressed in terms of pixels) for DrawingBuffer creation and resize.
 // When this limit is set, DrawingBuffer::create() and DrawingBuffer::reset() calls that would
 // exceed the global cap will instead clear the buffer.
 const int s_maximumResourceUsePixels = 16 * 1024 * 1024;
 int s_currentResourceUsePixels = 0;
 const float s_resourceAdjustedRatio = 0.5;
 
@@ skipping 690 matching lines @@
 {
     if (m_size == size)
         return;
 
     s_currentResourceUsePixels += pixelDelta(size, m_size);
     m_size = size;
 }
 
 int DrawingBuffer::pixelDelta(const IntSize& newSize, const IntSize& curSize)
 {
-    return (max(0, newSize.width()) * max(0, newSize.height())) - (max(0, curSize.width()) * max(0, curSize.height()));
+    return (std::max(0, newSize.width()) * std::max(0, newSize.height())) - (std::max(0, curSize.width()) * std::max(0, curSize.height()));
 }
 
 IntSize DrawingBuffer::adjustSize(const IntSize& desiredSize, const IntSize& curSize, int maxTextureSize)
 {
     IntSize adjustedSize = desiredSize;
 
     // Clamp if the desired size is greater than the maximum texture size for the device.
     if (adjustedSize.height() > maxTextureSize)
         adjustedSize.setHeight(maxTextureSize);
 
@@ skipping 276 matching lines @@
 void DrawingBuffer::deleteChromiumImageForTexture(TextureInfo* info)
 {
     if (info->imageId) {
         m_context->releaseTexImage2DCHROMIUM(GL_TEXTURE_2D, info->imageId);
         m_context->destroyImageCHROMIUM(info->imageId);
         info->imageId = 0;
     }
 }
 
 } // namespace blink