Remove Aero Peek Tabs code.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 06fd92d3118560b7d5f328a3dbdcb1e56c4fc783..11d87337af337ea9e3e3530cb39cbb7de339bb54 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -93,8 +93,6 @@
         'browser/accessibility/accessibility_events.h',
         'browser/accessibility/invert_bubble_views.cc',
         'browser/accessibility/invert_bubble_views.h',
-        'browser/aeropeek_manager.cc',
-        'browser/aeropeek_manager.h',
         'browser/alternate_nav_url_fetcher.cc',
         'browser/alternate_nav_url_fetcher.h',
         'browser/app_controller_mac.h',
@@ -4267,7 +4265,6 @@
         }],
         ['use_aura==1', {
           'sources/': [
-            ['exclude', '^browser/aeropeek_manager.cc'],
             ['exclude', '^browser/automation/automation_provider_win.cc'],
             ['exclude', '^browser/automation/chrome_frame_automation_provider.cc'],
             ['exclude', '^browser/automation/chrome_frame_automation_provider.h'],
@@ -4759,8 +4756,6 @@
         }, {  # 'OS!="win"
           'sources/': [
             # Exclude files that should be excluded for all non-Windows platforms.
-            ['exclude', '^browser/aeropeek_manager.cc'],
-            ['exclude', '^browser/aeropeek_manager.h'],
             ['exclude', '^browser/first_run/try_chrome_dialog_view.cc'],
             ['exclude', '^browser/first_run/try_chrome_dialog_view.h'],
             ['exclude', '^browser/google/google_update.cc'],