Moving WebRTC logging related files from content to chrome.

chrome/chrome_common.gypi

Index: chrome/chrome_common.gypi
diff --git a/chrome/chrome_common.gypi b/chrome/chrome_common.gypi
index ab53e505671ff00affb535efa7835518aa2f9b3e..4e2dffc3580e6d4ff31855a5d6e802ae23f3dc67 100644
--- a/chrome/chrome_common.gypi
+++ b/chrome/chrome_common.gypi
@@ -350,6 +350,7 @@
         'common/mac/objc_method_swizzle.mm',
         'common/mac/objc_zombie.h',
         'common/mac/objc_zombie.mm',
+        'common/media/webrtc_logging_messages.h',
         'common/metrics/entropy_provider.cc',
         'common/metrics/entropy_provider.h',
         'common/metrics/metrics_log_base.cc',
@@ -378,6 +379,8 @@
         'common/omaha_query_params/omaha_query_params.h',
         'common/omnibox_focus_state.h',
         'common/one_click_signin_messages.h',
+        'common/partial_circular_buffer.cc',
+        'common/partial_circular_buffer.h',
         'common/pepper_flash.cc',
         'common/pepper_flash.h',
         'common/pref_names_util.cc',
@@ -571,6 +574,11 @@
             '<(DEPTH)/base/third_party/nspr/nspr.gyp:nspr',
           ],
         }],
+        ['enable_webrtc==0', {
+          'sources!': [
+            'common/media/webrtc_logging_messages.h',
+          ]
+        }],
       ],
       'target_conditions': [
         ['OS == "ios"', {