Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

components/bubble/bubble_manager.cc

Index: components/bubble/bubble_manager.cc
diff --git a/components/bubble/bubble_manager.cc b/components/bubble/bubble_manager.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a224aa46e956cf2f4cd3842b3853fb3286f85757
--- /dev/null
+++ b/components/bubble/bubble_manager.cc
@@ -0,0 +1,58 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/bubble/bubble_manager.h"
+
+#include "components/bubble/bubble_delegate.h"
+
+BubbleManager::BubbleManager() {}
+
+BubbleManager::~BubbleManager() {
+  // The delegate should NOT outlive the manager. When a delegate is destroyed
+  // it should hide itself. This means that when the bubble manager is being
+  // destroyed there should be no visible bubbles.
+  DCHECK_EQ(controllers_.size(), 0);
+}
+
+void BubbleManager::ShowBubble(BubbleDelegate* bubble) {
+  // TODO(hcarmona): how to test this?
+  scoped_ptr<BubbleController> controller(new BubbleController(this, bubble));
+
+  controller->Show();
+  controllers_.push_back(controller.Pass());
+
+  // TODO(hcarmona): log that bubble was shown.
+}
+
+void BubbleManager::HideBubble(BubbleDelegate* delegate) {
+  for (auto iter = controllers_.begin(); iter != controllers_.end(); ++iter) {
+    if ((*iter)->IsOwnerOf(delegate)) {
+      (*iter)->Hide(BUBBLE_CLOSE_IGNORE);
+      return;
+    }
+  }
+
+  // Hidden/unmanaged bubbles should not be hidden: this could indicate a bug.
+  NOTREACHED();
+}
+
+bool BubbleManager::IsBubbleVisible(BubbleDelegate* bubble) {
+  // TODO(hcarmona): fix this.
+  return false;
+}
+
+void BubbleManager::UpdateBubblePosition(BubbleDelegate* bubble) {
+  // TODO(hcarmona): fix this.
+}
+
+void BubbleManager::NotifyBubbleHidden(BubbleController* controller,
+                                       BubbleCloseReason reason) {
+  // TODO(hcarmona): log the reason the bubble was closed.
+  // TODO(hcarmona): log the amount of time the bubble was shown.
+
+  // TODO(hcarmona): Should controllers die here?
+  ScopedVector<BubbleController>::iterator iter =
+      std::find(controllers_.begin(), controllers_.end(), controller);
+  controllers_.erase(iter);
+}