[Linux] Add field trial tuples to breakpad crash reports.

chrome/common/child_process_logging_mac.mm

Index: chrome/common/child_process_logging_mac.mm
===================================================================
--- chrome/common/child_process_logging_mac.mm	(revision 153910)
+++ chrome/common/child_process_logging_mac.mm	(working copy)
@@ -37,7 +37,7 @@
 const char *kGPUGLVersionParamName = "gpu-glver";
 const char *kNumberOfViews = "num-views";
 NSString* const kNumExtensionsName = @"num-extensions";
-NSString* const kExtensionNameFormat = @"extension-%d";
+NSString* const kExtensionNameFormat = @"extension-%zu";
 NSString* const kPrinterInfoNameFormat = @"prn-info-%zu";
 
 // Account for the terminating null character.
@@ -122,7 +122,7 @@
   // Record up to |kMaxReportedActiveExtensions| extensions, clearing
   // keys if there aren't that many.
   std::set<std::string>::const_iterator iter = extension_ids.begin();
-  for (int i = 0; i < kMaxReportedActiveExtensions; ++i) {
+  for (size_t i = 0; i < kMaxReportedActiveExtensions; ++i) {
     NSString* key = [NSString stringWithFormat:kExtensionNameFormat, i];
     if (iter != extension_ids.end()) {
       SetCrashKeyValue(key, [NSString stringWithUTF8String:iter->c_str()]);
@@ -163,7 +163,7 @@
 }
 
 void SetGpuInfo(const content::GPUInfo& gpu_info) {
-    SetGpuInfoImpl(gpu_info, SetCrashKeyValue);
+  SetGpuInfoImpl(gpu_info, SetCrashKeyValue);
 }
 
 void SetPrinterInfo(const char* printer_info) {
@@ -188,7 +188,7 @@
 }
 
 void SetNumberOfViews(int number_of_views) {
-    SetNumberOfViewsImpl(number_of_views, SetCrashKeyValue);
+  SetNumberOfViewsImpl(number_of_views, SetCrashKeyValue);
 }
 
 void SetCommandLine(const CommandLine* command_line) {