Add -[BreakpadController resetConfiguration] for iOS.

Add a resetConfiguration method to BreakpadController for iOS. The new method
resets the controller configuration to its initial value, which is the
infoDictionary of the bundle of the application.

Patch by KiYun Roe <kiyun@chromium.org>

BUG=554

Review URL: https://breakpad.appspot.com/904002/

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1256 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/client/ios/BreakpadController.h

@@ -71,6 +71,10 @@
 // new one. Merge is done by replacing the old values by the new values.
 - (void)updateConfiguration:(NSDictionary*)configuration;
 
+// Reset the controller configuration to its initial value, which is the
+// infoDictionary of the bundle of the application.
+- (void)resetConfiguration;
+
 // Configure the URL to upload the report to. This must be called at least once
 // if the URL is not in the bundle information.
 - (void)setUploadingURL:(NSString*)url;

src/client/ios/BreakpadController.mm

@@ -108,12 +108,9 @@ NSString* GetPlatform() {
   self = [super init];
   if (self) {
     queue_ = dispatch_queue_create("com.google.BreakpadQueue", NULL);
-    configuration_ = [[[NSBundle mainBundle] infoDictionary] mutableCopy];
     enableUploads_ = NO;
     started_ = NO;
-    NSString* uploadInterval =
-        [configuration_ valueForKey:@BREAKPAD_REPORT_INTERVAL];
-    [self setUploadInterval:[uploadInterval intValue]];
+    [self resetConfiguration];
   }
   return self;
 }
@@ -187,6 +184,16 @@ NSString* GetPlatform() {
     [self setUploadInterval:[uploadInterval intValue]];
 }
 
+- (void)resetConfiguration {
+  NSAssert(!started_,
+      @"The controller must not be started when resetConfiguration is called");
+  [configuration_ autorelease];
+  configuration_ = [[[NSBundle mainBundle] infoDictionary] mutableCopy];
+  NSString* uploadInterval =
+      [configuration_ valueForKey:@BREAKPAD_REPORT_INTERVAL];
+  [self setUploadInterval:[uploadInterval intValue]];
+}
+
 - (void)setUploadingURL:(NSString*)url {
   NSAssert(!started_,
       @"The controller must not be started when setUploadingURL is called");