color: Make layout tests specify color space by command line flag

content/public/renderer/content_renderer_client.h

Index: content/public/renderer/content_renderer_client.h
diff --git a/content/public/renderer/content_renderer_client.h b/content/public/renderer/content_renderer_client.h
index 7147c0a62101a5ebe8a1bab6726077db83b0b08d..0e554ba8467af157948ca32d042f7dbac426df8f 100644
--- a/content/public/renderer/content_renderer_client.h
+++ b/content/public/renderer/content_renderer_client.h
@@ -57,10 +57,6 @@ struct WebPluginParams;
 struct WebURLError;
 }  // namespace blink
 
-namespace gfx {
-class ICCProfile;
-}
-
 namespace media {
 class KeySystemProperties;
 }
@@ -258,9 +254,6 @@ class CONTENT_EXPORT ContentRendererClient {
   virtual std::unique_ptr<MediaStreamRendererFactory>
   CreateMediaStreamRendererFactory();
 
-  // Allows an embedder to provide a default image decode color space.
-  virtual std::unique_ptr<gfx::ICCProfile> GetImageDecodeColorProfile();
-
   // Allows embedder to register the key system(s) it supports by populating
   // |key_systems|.
   virtual void AddSupportedKeySystems(