DevTools: do not pro-actively query all StyleSheets for their content.

third_party/WebKit/LayoutTests/inspector/elements/styles/original-content-provider-expected.txt

Index: third_party/WebKit/LayoutTests/inspector/elements/styles/original-content-provider-expected.txt
diff --git a/third_party/WebKit/LayoutTests/inspector/elements/styles/original-content-provider-expected.txt b/third_party/WebKit/LayoutTests/inspector/elements/styles/original-content-provider-expected.txt
index 7ce1182088faced94af5a5a12c7bef5c7940bf98..389b560de775d275c2d0f3c391f500f44ab1bf5f 100644
--- a/third_party/WebKit/LayoutTests/inspector/elements/styles/original-content-provider-expected.txt
+++ b/third_party/WebKit/LayoutTests/inspector/elements/styles/original-content-provider-expected.txt
@@ -2,30 +2,35 @@ Verifies that CSSStyleSheetHeader.originalContentProvider() indeed returns origi
 
 
 Running: testSetStyle
+original content loaded for header: set-style.css
 == Original ==
 div { color: red; }
 == Current ==
 div {EDITED: EDITED}
 
 Running: testSetSelector
+original content loaded for header: set-selector.css
 == Original ==
 div {}
 == Current ==
 EDITED {}
 
 Running: testSetMedia
+original content loaded for header: set-media.css
 == Original ==
 @media (all) { }
 == Current ==
 @media EDITED { }
 
 Running: testSetKeyframeKey
+original content loaded for header: set-keyframe-key.css
 == Original ==
 @keyframes animation { 100% { color: red; } }
 == Current ==
 @keyframes animation { from { color: red; } }
 
 Running: testAddRule
+original content loaded for header: add-rule.css
 == Original ==
 div {}
 == Current ==
@@ -33,6 +38,7 @@ EDITED {}
 div {}
 
 Running: testSetStyleSheetText
+original content loaded for header: set-text.css
 == Original ==
 div {}
 == Current ==