Support WebCore's memory cache reusing main resources in unit tests.

Support WebCore's memory cache reusing main resources in unit tests.
* Spin the message loop, in case an asynchronous cache load is waiting
* Clear the memory cache when unregistering mocked urls.

BUG=170171
TEST=Everything stays green, webkit bug 105667 will use this soon

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=177276

[tony, 2013-01-16 18:03:51]

LGTM

[commit-bot: I haz the power, 2013-01-16 18:12:04]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/japhet@chromium.org/11940002/1

[commit-bot: I haz the power, 2013-01-16 18:12:04]

Failed to apply patch for webkit/support/weburl_loader_mock_factory.cc:
While running patch -p0 --forward --force --no-backup-if-mismatch;
  patching file webkit/support/weburl_loader_mock_factory.cc
  Hunk #1 FAILED at 6.
  1 out of 3 hunks FAILED -- saving rejects to file
webkit/support/weburl_loader_mock_factory.cc.rej

Patch:       webkit/support/weburl_loader_mock_factory.cc
Index: webkit/support/weburl_loader_mock_factory.cc
===================================================================
--- webkit/support/weburl_loader_mock_factory.cc	(revision 176935)
+++ webkit/support/weburl_loader_mock_factory.cc	(working copy)
@@ -6,12 +6,15 @@
 
 #include "base/file_util.h"
 #include "base/logging.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebCache.h"
 #include
"third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include
"third_party/WebKit/Source/WebKit/chromium/public/platform/WebURLError.h"
 #include
"third_party/WebKit/Source/WebKit/chromium/public/platform/WebURLRequest.h"
 #include
"third_party/WebKit/Source/WebKit/chromium/public/platform/WebURLResponse.h"
+#include "webkit/support/webkit_support.h"
 #include "webkit/support/weburl_loader_mock.h"
 
+using WebKit::WebCache;
 using WebKit::WebData;
 using WebKit::WebString;
 using WebKit::WebURL;
@@ -73,6 +76,7 @@
 void WebURLLoaderMockFactory::UnregisterAllURLs() {
   url_to_reponse_info_.clear();
   url_to_error_info_.clear();
+  WebCache::clear();
 }
 
 void WebURLLoaderMockFactory::ServeAsynchronousRequests() {
@@ -103,6 +107,7 @@
     // The loader might have already been removed.
     pending_loaders_.erase(loader);
   }
+  webkit_support::RunAllPendingMessages();
 }
 
 WebKit::WebURLRequest

[commit-bot: I haz the power, 2013-01-16 18:23:17]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/japhet@chromium.org/11940002/14001

[commit-bot: I haz the power, 2013-01-16 21:02:09]

Retried try job too often on win7_aura for step(s) content_browsertests

[commit-bot: I haz the power, 2013-01-16 21:06:06]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/japhet@chromium.org/11940002/14001

[commit-bot: I haz the power, 2013-01-17 00:04:00]

Change committed as 177276