Disambiguate origins of tasks posted by the WebDataService.

When calling PostTask, rather than always providing the source information corresponding to ScheduleTask, use the location of the caller of ScheduleTask. This helps in disambiguating tasks in, for example, the task profiler.


BUG=105921
TEST=

Review URL: http://codereview.chromium.org/8745017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113032 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/webdata/web_data_service.h

@@ -12,6 +12,7 @@
 
 #include "base/callback_forward.h"
 #include "base/file_path.h"
+#include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/search_engines/template_url_id.h"
@@ -592,7 +593,8 @@ class WebDataService
   void Commit();
 
   // Schedule a task on our worker thread.
-  void ScheduleTask(const base::Closure& task);
+  void ScheduleTask(const tracked_objects::Location& from_here,
+                    const base::Closure& task);
 
   // Schedule a commit if one is not already pending.
   void ScheduleCommit();

chrome/browser/webdata/web_data_service_win.cc

@@ -16,7 +16,8 @@ void WebDataService::AddIE7Login(const IE7PasswordInfo& info) {
       new GenericRequest<IE7PasswordInfo>(this, GetNextRequestHandle(), NULL,
                                           info);
   RegisterRequest(request);
-  ScheduleTask(Bind(&WebDataService::AddIE7LoginImpl, this, request));
+  ScheduleTask(FROM_HERE,
+               Bind(&WebDataService::AddIE7LoginImpl, this, request));
 }
 
 void WebDataService::RemoveIE7Login(const IE7PasswordInfo& info) {
@@ -24,7 +25,8 @@ void WebDataService::RemoveIE7Login(const IE7PasswordInfo& info) {
       new GenericRequest<IE7PasswordInfo>(this, GetNextRequestHandle(), NULL,
                                           info);
   RegisterRequest(request);
-  ScheduleTask(Bind(&WebDataService::RemoveIE7LoginImpl, this, request));
+  ScheduleTask(FROM_HERE,
+               Bind(&WebDataService::RemoveIE7LoginImpl, this, request));
 }
 
 WebDataService::Handle WebDataService::GetIE7Login(
@@ -34,7 +36,8 @@ WebDataService::Handle WebDataService::GetIE7Login(
       new GenericRequest<IE7PasswordInfo>(this, GetNextRequestHandle(),
                                           consumer, info);
   RegisterRequest(request);
-  ScheduleTask(Bind(&WebDataService::GetIE7LoginImpl, this, request));
+  ScheduleTask(FROM_HERE,
+               Bind(&WebDataService::GetIE7LoginImpl, this, request));
   return request->GetHandle();
 }