Removes MessageLoop::TYPE_XXX where possible

Removes MessageLoop::TYPE_XXX where possible

This is part of attempting to get rid of MessageLoop::Type enum.

BUG=none
TEST=none
R=darin@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=244996

[darin (slow to review), 2014-01-14 06:00:42]

LGTM!!

[commit-bot: I haz the power, 2014-01-14 16:59:46]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sky@chromium.org/136683004/30001

[commit-bot: I haz the power, 2014-01-14 17:00:04]

Failed to apply patch for base/memory/discardable_memory_provider_unittest.cc:
While running patch -p1 --forward --force --no-backup-if-mismatch;
  patching file base/memory/discardable_memory_provider_unittest.cc
  Hunk #1 FAILED at 62.
  Hunk #2 succeeded at 101 (offset 1 line).
  1 out of 2 hunks FAILED -- saving rejects to file
base/memory/discardable_memory_provider_unittest.cc.rej

Patch:       base/memory/discardable_memory_provider_unittest.cc
Index: base/memory/discardable_memory_provider_unittest.cc
diff --git a/base/memory/discardable_memory_provider_unittest.cc
b/base/memory/discardable_memory_provider_unittest.cc
index
0adcac1ee6ba75fd8ef80d8136a05a830fffc168..61781f30635a85b7a0dc7bed51a53886a109a584
100644
--- a/base/memory/discardable_memory_provider_unittest.cc
+++ b/base/memory/discardable_memory_provider_unittest.cc
@@ -62,8 +62,7 @@ class DiscardableMemoryProviderTestBase {
   };
 
   DiscardableMemoryProviderTestBase()
-      : message_loop_(MessageLoop::TYPE_IO),
-        provider_(new internal::DiscardableMemoryProvider) {
+      : provider_(new internal::DiscardableMemoryProvider) {
   }
 
  protected:
@@ -100,7 +99,7 @@ class DiscardableMemoryProviderTestBase {
   }
 
  private:
-  MessageLoop message_loop_;
+  MessageLoopForIO message_loop_;
   scoped_ptr<internal::DiscardableMemoryProvider> provider_;
 };

[commit-bot: I haz the power, 2014-01-14 20:25:01]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sky@chromium.org/136683004/140001

[commit-bot: I haz the power, 2014-01-14 23:24:25]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sky@chromium.org/136683004/140001

[commit-bot: I haz the power, 2014-01-15 02:53:39]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sky@chromium.org/136683004/140001

[commit-bot: I haz the power, 2014-01-15 16:25:01]

Retried try job too often on chromium_presubmit for step(s) presubmit
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=chromium_p...

[commit-bot: I haz the power, 2014-01-15 16:32:34]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sky@chromium.org/136683004/140001

[commit-bot: I haz the power, 2014-01-15 18:22:31]

Retried try job too often on chromium_presubmit for step(s) presubmit
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=chromium_p...

[sky, 2014-01-15 22:24:45]

Committed patchset #3 manually as r244996.