Fix unit test style in Source/platform/, part 2.

Source/platform/image-decoders/ImageDecoderTest.cpp

 /*
  * Copyright (C) 2013 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 11 matching lines @@
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
-
 #include "platform/image-decoders/ImageDecoder.h"
 
 #include "platform/image-decoders/ImageFrame.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 #include <gtest/gtest.h>
 
-using namespace blink;
+namespace blink {
 
 class TestImageDecoder : public ImageDecoder {
 public:
     TestImageDecoder()
         : ImageDecoder(ImageSource::AlphaNotPremultiplied, ImageSource::GammaAndColorProfileApplied, noDecodedImageByteLimit)
     {
     }
 
-    virtual String filenameExtension() const override { return ""; }
+    String filenameExtension() const override { return ""; }
 
     Vector<ImageFrame, 1>& frameBufferCache()
     {
         return m_frameBufferCache;
     }
 
     void resetRequiredPreviousFrames(bool knownOpaque = false)
     {
         for (size_t i = 0; i < m_frameBufferCache.size(); ++i)
             m_frameBufferCache[i].setRequiredPreviousFrameIndex(findRequiredPreviousFrame(i, knownOpaque));
     }
 
     void initFrames(size_t numFrames, unsigned width = 100, unsigned height = 100)
     {
         setSize(width, height);
         m_frameBufferCache.resize(numFrames);
         for (size_t i = 0; i < numFrames; ++i)
             m_frameBufferCache[i].setOriginalFrameRect(IntRect(0, 0, width, height));
     }
 
 private:
-    virtual void decodeSize() override { }
-    virtual void decode(size_t index) override { }
+    void decodeSize() override { }
+    void decode(size_t index) override { }
 };
 
 TEST(ImageDecoderTest, sizeCalculationMayOverflow)
 {
     OwnPtr<TestImageDecoder> decoder(adoptPtr(new TestImageDecoder()));
     EXPECT_FALSE(decoder->setSize(1 << 29, 1));
     EXPECT_FALSE(decoder->setSize(1, 1 << 29));
     EXPECT_FALSE(decoder->setSize(1 << 15, 1 << 15));
     EXPECT_TRUE(decoder->setSize(1 << 28, 1));
     EXPECT_TRUE(decoder->setSize(1, 1 << 28));
@@ skipping 159 matching lines @@
     decoder->resetRequiredPreviousFrames();
     decoder->clearCacheExceptFrame(5);
     for (size_t i = 0; i < numFrames; ++i) {
         SCOPED_TRACE(testing::Message() << i);
         if (i == 5)
             EXPECT_EQ(ImageFrame::FrameComplete, frameBuffers[i].status());
         else
             EXPECT_EQ(ImageFrame::FrameEmpty, frameBuffers[i].status());
     }
 }
+
+} // namespace blink