browser(firefox): expose internal request cause along with external one (#2383)

Author: aslushnikov

browser_patches/firefox/BUILD_NUMBER

@@ -1 +1 @@
-1097
+1098

browser_patches/firefox/patches/bootstrap.diff

@@ -1466,10 +1466,10 @@ index 0000000000000000000000000000000000000000..2b1fe7fa712ae210af3ebbccda084041
 +
 diff --git a/juggler/NetworkObserver.js b/juggler/NetworkObserver.js
 new file mode 100644
-index 0000000000000000000000000000000000000000..f803071bea317e4d3ce7341573622f6bddaaf547
+index 0000000000000000000000000000000000000000..5a9c3232769729fc127c43b24e88713042e577c3
 --- /dev/null
 +++ b/juggler/NetworkObserver.js
-@@ -0,0 +1,794 @@
+@@ -0,0 +1,796 @@
 +"use strict";
 +
 +const {EventEmitter} = ChromeUtils.import('resource://gre/modules/EventEmitter.jsm');
@@ -1843,6 +1843,7 @@ index 0000000000000000000000000000000000000000..f803071bea317e4d3ce7341573622f6b
 +    if (!pageNetwork)
 +      return;
 +    const causeType = httpChannel.loadInfo ? httpChannel.loadInfo.externalContentPolicyType : Ci.nsIContentPolicy.TYPE_OTHER;
++    const internalCauseType = httpChannel.loadInfo ? httpChannel.loadInfo.internalContentPolicyType : Ci.nsIContentPolicy.TYPE_OTHER;
 +    const requestId = this._requestId(httpChannel);
 +    const redirectedFrom = this._redirectMap.get(requestId);
 +    this._redirectMap.delete(requestId);
@@ -1856,6 +1857,7 @@ index 0000000000000000000000000000000000000000..f803071bea317e4d3ce7341573622f6b
 +      method: httpChannel.requestMethod,
 +      navigationId: httpChannel.isMainDocumentChannel ? this._requestIdBeforeAuthentication(httpChannel) || this._requestId(httpChannel) : undefined,
 +      cause: causeTypeToString(causeType),
++      internalCause: causeTypeToString(internalCauseType),
 +    });
 +  }
 +
@@ -6822,10 +6824,10 @@ index 0000000000000000000000000000000000000000..78b6601b91d0b7fcda61114e6846aa07
 +this.EXPORTED_SYMBOLS = ['t', 'checkScheme'];
 diff --git a/juggler/protocol/Protocol.js b/juggler/protocol/Protocol.js
 new file mode 100644
-index 0000000000000000000000000000000000000000..e6bb9a8d5b553531a2ee22e27e693dd0569bda22
+index 0000000000000000000000000000000000000000..71649c3462f82d8b327b5913570612a3d99495b8
 --- /dev/null
 +++ b/juggler/protocol/Protocol.js
-@@ -0,0 +1,845 @@
+@@ -0,0 +1,846 @@
 +const {t, checkScheme} = ChromeUtils.import('chrome://juggler/content/protocol/PrimitiveTypes.js');
 +
 +// Protocol-specific types.
@@ -7231,6 +7233,7 @@ index 0000000000000000000000000000000000000000..e6bb9a8d5b553531a2ee22e27e693dd0
 +      method: t.String,
 +      navigationId: t.Optional(t.String),
 +      cause: t.String,
++      internalCause: t.String,
 +    },
 +    'responseReceived': {
 +      securityDetails: t.Nullable(networkTypes.SecurityDetails),