DevTools: reduce ResourceAgent dependency on PageAgent.

Source/core/inspector/InspectorResourceAgent.cpp

Index: Source/core/inspector/InspectorResourceAgent.cpp
diff --git a/Source/core/inspector/InspectorResourceAgent.cpp b/Source/core/inspector/InspectorResourceAgent.cpp
index 4511d79f7f65228bb5dbe006da3a2678a21997bc..8a4cbb6ce11aa48847628b1dd1d27e5ccb669727 100644
--- a/Source/core/inspector/InspectorResourceAgent.cpp
+++ b/Source/core/inspector/InspectorResourceAgent.cpp
@@ -847,11 +847,6 @@ void InspectorResourceAgent::setHostId(const String& hostId)
 
 bool InspectorResourceAgent::fetchResourceContent(Document* document, const KURL& url, String* content, bool* base64Encoded)
 {
-    if (m_pageAgent->getEditedResourceContent(url, content)) {
-        *base64Encoded = false;
-        return true;
-    }
-
     // First try to fetch content from the cached resource.
     Resource* cachedResource = document->fetcher()->cachedResource(url);
     if (!cachedResource)