[qcms] Apply qcms color matching api to Blink images

third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp

Index: third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp
diff --git a/third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp b/third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp
index 9cf5ad6919a5f368c9cc6ca9ddd12aadf78967ea..a5083a7d16694e659251325b2d098334fadf8659 100644
--- a/third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp
+++ b/third_party/WebKit/Source/platform/image-decoders/png/PNGImageDecoder.cpp
@@ -174,11 +174,19 @@ public:
             inputProfile = qcms_profile_sRGB();
         if (!inputProfile)
             return;
+
         // We currently only support color profiles for RGB and RGBA images.
         ASSERT(rgbData == qcms_profile_get_color_space(inputProfile));
-        qcms_data_type dataFormat = hasAlpha ? QCMS_DATA_RGBA_8 : QCMS_DATA_RGB_8;
+
+        if (qcms_profile_match(inputProfile, deviceProfile)) {
+            qcms_profile_release(inputProfile);
+            return;
+        }
+
         // FIXME: Don't force perceptual intent if the image profile contains an intent.
+        qcms_data_type dataFormat = hasAlpha ? QCMS_DATA_RGBA_8 : QCMS_DATA_RGB_8;
         m_transform = qcms_transform_create(inputProfile, dataFormat, deviceProfile, dataFormat, QCMS_INTENT_PERCEPTUAL);
+
         qcms_profile_release(inputProfile);
     }
 #endif