Revert of Include class relationship diagrams in network stack documentation.

net/docs/url_request.dot

Index: net/docs/url_request.dot
diff --git a/net/docs/url_request.dot b/net/docs/url_request.dot
deleted file mode 100644
index 220393498af51fe554dafcaa530455ea6d56a3fb..0000000000000000000000000000000000000000
--- a/net/docs/url_request.dot
+++ /dev/null
@@ -1,186 +0,0 @@
-digraph URLRequestRoot {
-    subgraph cluster_legend {
-	label="Legend";
-
-	## The following legend is an attempt to match UML notation,
-	## except for template_class and Factory->object, which are
-	## invented for this diagram.
-	BaseClass;
-	SubClass [label="Derived Class"];
-	Whole;
-	Part;
-	A;
-	B;
-	Interface [label="Interface / ABC", style=dashed];
-	template_class [shape=diamond]; # Link will name parameter(s)
-
-	SubClass -> BaseClass [arrowhead="empty"];
-	SubClass -> Interface [arrowhead="empty", style=dashed];
-	Part -> Whole [arrowhead="diamond", label="ownership"];
-	Part -> Whole [arrowhead="odiamond", label="pointer"];
-	A -> B [arrowhead="none", headlabel="?..?", taillabel="?..?",
-		label="association"];
-	// Often a "subgraph { rank=same; .. }" is used to wrap the
-	// below to make the generative relationship distinctive
-	// from the other class relationships.
-	Factory -> object [arrowhead=veevee];
-    };
-
-    ## URLRequest, URLRequestJob, and subclasses
-    URLRequestContext;
-    URLRequest;
-    URLRequestJob [style=dashed];
-    URLRequestJob_Others [label="...other job types..."];
-    URLRequestHttpJob;
-    Filter;
-
-    {URLRequestHttpJob, URLRequestJob_Others} -> URLRequestJob
-	[arrowhead="empty"];
-
-    URLRequestJob -> URLRequest [arrowhead="diamond"];
-    Filter -> URLRequestJob [arrowhead="diamond"];
-    Filter -> Filter [arrowhead="diamond", taillabel="0..1"];
-
-    subgraph {
-	rank=same;
-	URLRequestContext -> URLRequest [arrowhead=veevee];
-    }
-    subgraph {
-	rank=same;
-	URLRequestHttpJob -> Filter [arrowhead=veevee];
-    }
-
-
-    ## HttpTransaction, subclasses, and generative classes.
-    HttpTransactionFactory;
-    HttpCache;
-    HttpNetworkLayer;
-    HttpTransaction [style=dashed];
-    HttpCache_Transaction [label="HttpCache::Transaction"];
-    HttpNetworkTransaction;
-
-    { HttpNetworkTransaction, HttpCache_Transaction } -> HttpTransaction
-	[style=dashed, arrowhead="empty"];
-    { HttpNetworkLayer, HttpCache } -> HttpTransactionFactory
-	[arrowhead=empty, style=dashed];
-
-    HttpTransaction -> HttpCache_Transaction  [arrowhead=diamond];
-    HttpTransaction -> URLRequestHttpJob [arrowhead="diamond"]
-
-    subgraph {
-	rank=same;
-	HttpCache -> HttpCache_Transaction [arrowhead=veevee];
-    }
-    subgraph {
-	rank=same;
-	HttpTransactionFactory -> HttpTransaction [arrowhead=veevee];
-    }
-    subgraph {
-	rank=same;
-	HttpNetworkLayer -> HttpNetworkTransaction [arrowhead=veevee];
-    }
-
-    ## HttpStreamFactory and related.
-    HttpStreamFactoryImpl;
-    HttpStreamRequest [style=dashed];
-    HttpStream [style=dashed];
-    HttpStreamFactoryImpl_Request [label="HttpStreamFactoryImpl::Request"];
-    HttpStreamFactoryImpl_Job [label="HttpStreamFactoryImpl::Job"];
-    HttpStreamRequest_Delegate
-	[label="HttpStreamRequest::Delegate",style=dashed];
-    HttpBasicStream;
-    QuicHttpStream;
-    SpdyHttpStream;
-    HttpBasicState;
-
-    HttpNetworkTransaction -> HttpStreamRequest_Delegate
-	[style=dashed, arrowhead="empty"];
-    HttpStreamFactoryImpl_Request -> HttpStreamRequest
-	[style=dashed, arrowhead="empty"];
-    { HttpBasicStream, QuicHttpStream, SpdyHttpStream } -> HttpStream
-	[style=dashed, arrowhead="empty"];
-
-    HttpStreamRequest -> HttpNetworkTransaction [arrowhead="diamond"];
-    HttpStream -> HttpNetworkTransaction [arrowhead="diamond"];
-    HttpBasicState -> HttpBasicStream [arrowhead=diamond];
-    HttpStreamFactoryImpl_Job -> HttpStreamFactoryImpl_Request
-	[arrowhead="diamond",taillabel="1..*"];
-
-    HttpStreamRequest_Delegate -> HttpStreamFactoryImpl_Request
-        [arrowhead=odiamond];
-    HttpStreamFactoryImpl_Job -> HttpStreamFactoryImpl_Job
-        [arrowhead=odiamond, label="blocking_job_\nwaiting_job_"];
-
-    subgraph {
-	rank=same;
-	HttpStreamFactoryImpl -> HttpStreamRequest [arrowhead=veevee];
-    }
-    subgraph {
-	rank=same;
-	HttpStreamRequest -> HttpStream [arrowhead=veevee];
-    }
-
-    ## ClientSocketHandle and socket pools.
-    ClientSocketPool [style=dashed];
-    TransportClientSocketPool;
-    SSLClientSocketPool;
-    ClientSocketPool_Others [label="...others..."];
-    ClientSocketPoolBase [label="ClientSocketPoolBase", shape=diamond];
-    ClientSocketPoolBaseHelper;
-
-    ConnectJobFactory;
-    ConnectJob [style=dashed];
-    TransportConnectJob;
-    SSLConnectJob;
-    ConnectJob_Others [label="...other connect job types..."];
-    ConnectJob_Delegate [label="ConnectJob::Delegate",style=dashed];
-
-    StreamSocket [style=dashed];
-    TCPClientSocket;
-    StreamSocket_Others [label="...other socket types..."];
-
-    TransportConnectJobHelper;
-    SingleRequestHostResolver;
-
-    { SSLClientSocketPool, TransportClientSocketPool,
-      ClientSocketPool_Others} -> ClientSocketPool
-	[style=dashed, arrowhead=empty];
-    ClientSocketPoolBaseHelper -> ConnectJob_Delegate
-	[arrowhead=empty, style=dashed];
-    StreamSocket -> Socket [arrowhead=empty, style=dashed];
-    { TCPClientSocket, StreamSocket_Others } -> StreamSocket
-	[arrowhead=empty, style=dashed];
-    {SSLConnectJob, TransportConnectJob, ConnectJob_Others} -> ConnectJob
-	[style=dashed, arrowhead=empty];
-
-    ClientSocketHandle -> HttpStreamFactoryImpl_Job [arrowhead="diamond"];
-    ClientSocketHandle -> HttpBasicState [arrowhead="diamond"];
-    ClientSocketPoolBaseHelper -> ClientSocketPoolBase [arrowhead=diamond];
-    ClientSocketPoolBase -> TransportClientSocketPool
-	[arrowhead=diamond, label=TransportSocketParams];
-    ClientSocketPoolBase -> SSLClientSocketPool
-	[arrowhead=diamond, label=SSLSocketParams];
-
-    StreamSocket -> ClientSocketHandle [arrowhead=diamond];
-    ConnectJobFactory -> ClientSocketPoolBase [arrowhead=diamond];
-    StreamSocket -> ConnectJob [arrowhead=diamond];
-    SingleRequestHostResolver -> TransportConnectJobHelper
-	[arrowhead=diamond];
-    TransportConnectJobHelper -> TransportConnectJob [arrowhead=diamond];
-
-    ClientSocketPool -> ClientSocketHandle  [arrowhead=odiamond];
-    ConnectJob_Delegate -> ConnectJob  [arrowhead=odiamond];
-
-    subgraph {
-	rank=same;
-	ConnectJobFactory -> ConnectJob [arrowhead=veevee];
-    }
-    subgraph {
-	rank=same;
-	HttpStreamFactoryImpl_Job -> ClientSocketHandle [arrowhead=veevee];
-    }
-    subgraph {
-        rank=same;
-	TransportConnectJob -> StreamSocket [arrowhead=veevee];
-    }
-}