Delete all log messages depending on system_wrappers.

webrtc/modules/video_capture/device_info_impl.cc

Index: webrtc/modules/video_capture/device_info_impl.cc
diff --git a/webrtc/modules/video_capture/device_info_impl.cc b/webrtc/modules/video_capture/device_info_impl.cc
index 472db49d3f5d17d6257a248d8bb37546a9328fc5..7199049c74c5185b108ac4ceef769372c989e0e0 100644
--- a/webrtc/modules/video_capture/device_info_impl.cc
+++ b/webrtc/modules/video_capture/device_info_impl.cc
@@ -13,7 +13,6 @@
 
 #include "webrtc/modules/video_capture/device_info_impl.h"
 #include "webrtc/modules/video_capture/video_capture_config.h"
-#include "webrtc/system_wrappers/include/logging.h"
 
 #ifndef abs
 #define abs(a) (a>=0?a:-a)
@@ -107,9 +106,6 @@ int32_t DeviceInfoImpl::GetCapability(const char* deviceUniqueIdUTF8,
     // Make sure the number is valid
     if (deviceCapabilityNumber >= (unsigned int) _captureCapabilities.size())
     {
-        LOG(LS_ERROR) << "Invalid deviceCapabilityNumber "
-                      << deviceCapabilityNumber << ">= number of capabilities ("
-                      << _captureCapabilities.size() << ").";
         return -1;
     }
 
@@ -242,10 +238,6 @@ int32_t DeviceInfoImpl::GetBestMatchedCapability(
         }// else height not good
     }//end for
 
-    LOG(LS_VERBOSE) << "Best camera format: " << bestWidth << "x" << bestHeight
-                    << "@" << bestFrameRate
-                    << "fps, color format: " << bestRawType;
-
     // Copy the capability
     if (bestformatIndex < 0)
         return -1;