Increase priority of XHR in ResourcePriorities experiment.

third_party/WebKit/Source/core/loader/FrameFetchContextTest.cpp

 /*
  * Copyright (c) 2015, 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:
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  *     * Redistributions in binary form must reproduce the above
@@ skipping 459 matching lines @@
 
     // Start with all experiments disabled.
     settings->setFEtchIncreaseAsyncScriptPriority(false);
     settings->setFEtchIncreaseFontPriority(false);
     settings->setFEtchDeferLateScripts(false);
     settings->setFEtchIncreasePriorities(false);
 
     // Base case, no priority change. Note that this triggers m_imageFetched, which will matter for setFetchDeferLateScripts() case below.
     EXPECT_EQ(ResourceLoadPriorityVeryLow, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityVeryLow, Resource::Image, request, ResourcePriority::NotVisible));
 
+    // RAW (XHR/Fetch) should default to Medium with no experiments running
+    EXPECT_EQ(ResourceLoadPriorityMedium, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Raw, request, ResourcePriority::NotVisible));
+
     // Image visibility should increase priority
     EXPECT_EQ(ResourceLoadPriorityLow, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityVeryLow, Resource::Image, request, ResourcePriority::Visible));
 
     // Font priority with and without fetchIncreaseFontPriority()
     EXPECT_EQ(ResourceLoadPriorityMedium, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Font, request, ResourcePriority::NotVisible));
     settings->setFEtchIncreaseFontPriority(true);
     EXPECT_EQ(ResourceLoadPriorityHigh, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Font, request, ResourcePriority::NotVisible));
 
     // Basic script cases
     EXPECT_EQ(ResourceLoadPriorityMedium, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Script, request, ResourcePriority::NotVisible));
     EXPECT_EQ(ResourceLoadPriorityMedium, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Script, preloadRequest, ResourcePriority::NotVisible));
 
     // Enable deferring late scripts. Preload priority should drop.
     settings->setFEtchDeferLateScripts(true);
     EXPECT_EQ(ResourceLoadPriorityLow, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Script, preloadRequest, ResourcePriority::NotVisible));
 
     // Enable increasing priority of async scripts.
     EXPECT_EQ(ResourceLoadPriorityLow, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Script, deferredRequest, ResourcePriority::NotVisible));
     settings->setFEtchIncreaseAsyncScriptPriority(true);
     EXPECT_EQ(ResourceLoadPriorityMedium, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Script, deferredRequest, ResourcePriority::NotVisible));
 
     // Enable increased priorities for the remainder.
     settings->setFEtchIncreasePriorities(true);
 
     // Re-test image priority based on visibility with increased priorities
     EXPECT_EQ(ResourceLoadPriorityLow, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityVeryLow, Resource::Image, request, ResourcePriority::NotVisible));
     EXPECT_EQ(ResourceLoadPriorityHigh, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityVeryLow, Resource::Image, request, ResourcePriority::Visible));
 
+    // Re-test RAW (XHR/Fetch) with increased priorities
+    EXPECT_EQ(ResourceLoadPriorityHigh, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Raw, request, ResourcePriority::NotVisible));
+
     // Re-test font priority with increased prioriries
     settings->setFEtchIncreaseFontPriority(false);
     EXPECT_EQ(ResourceLoadPriorityHigh, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Font, request, ResourcePriority::NotVisible));
     settings->setFEtchIncreaseFontPriority(true);
     EXPECT_EQ(ResourceLoadPriorityVeryHigh, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Font, request, ResourcePriority::NotVisible));
 
     // Re-test basic script cases and deferring late script case with increased prioriries
     settings->setFEtchDeferLateScripts(false);
     EXPECT_EQ(ResourceLoadPriorityVeryHigh, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Script, request, ResourcePriority::NotVisible));
     EXPECT_EQ(ResourceLoadPriorityHigh, fetchContext->modifyPriorityForExperiments(ResourceLoadPriorityMedium, Resource::Script, preloadRequest, ResourcePriority::NotVisible));
@@ skipping 199 matching lines @@
         fetchContext->addAdditionalRequestHeaders(mainRequest, FetchMainResource);
         EXPECT_EQ(mainRequest.isExternalRequest(), test.isExternalExpectation);
 
         ResourceRequest subRequest(test.url);
         fetchContext->addAdditionalRequestHeaders(subRequest, FetchSubresource);
         EXPECT_EQ(subRequest.isExternalRequest(), test.isExternalExpectation);
     }
 }
 
 } // namespace blink